15 Best CPU Coolers for LGA 1851, Compared
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Finding the right CPU cooler for LGA 1851 requires balancing case clearance with thermal hardware. We evaluated 15 models strictly using manufacturer specifications published on their listings. The Thermalright Peerless Assassin 120 Dual Fan Cooler takes the top position because it pairs six copper heat pipes with two 120mm PWM fans rated at 25.6 dB(A) or lower.
Options in this guide range from 36mm low-profile heatsinks to dual-tower designs. This comparison helps you identify the ideal cooler dimensions, heat pipe layout, and clearance for your desktop build.
Quick picks
The best fit for you
- You need dual-tower cooling for standard desktop LGA 1851 builds Thermalright Peerless Assassin 120 Dual Fan Cooler Six copper heat pipes and two 120mm PWM fans provide strong thermal capacity at noise levels specified up to 25.6 dB(A).
- You build inside an ultra-compact ITX enclosure Thermalright AXP90 36mm Low-Profile Cooler Its 36mm height profile clears tight small-form-factor enclosures that cannot accommodate standard CPU coolers.
- You want an all-white dual-tower cooling setup Thermalright Peerless Assassin 120 White Dual Tower The white finish includes six copper heat pipes and fits desktop cases providing at least 157mm of cooler clearance.
- You want single-tower ARGB cooling with maximum heat pipes Thermalright Burst Assassin 120 ARGB This single-tower cooler integrates six heat pipes, a copper base, and ARGB lighting in a compact profile.
Our 15 picks
Thermalright Peerless Assassin 120 Dual Fan Cooler
Best for: standard LGA 1851 dual-tower desktop builds
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 157mm
- Heat Pipes
- 6
- Tower Design
- Double tower
- Fan Size
- 120mm
- Fan Speed
- 1550rpm±10%
View on Amazon: Thermalright Peerless Assassin 120 Dual Fan Cooler
The Thermalright Peerless Assassin 120 is a dual-tower CPU air cooler built with six 6mm copper heat pipes and an aluminum heatsink. It includes two 120mm PWM fans reaching up to 1550 RPM with 66.17 CFM maximum airflow while keeping noise at or below 25.6 dB(A). With native mounting for Intel socket LGA 1851, this cooler suits you if you need balanced, high-volume thermal dissipation without liquid cooling components.
Pros
- Dual 120mm PWM fans deliver up to 66.17 CFM airflow
- Six 6mm AGHP copper heat pipes counter gravity effects
- Maximum rated fan noise level stays at or below 25.6 dB(A)
- Wide socket support includes Intel LGA 1851 and AMD AM5
Cons
- 157mm total height requires adequate chassis clearance
- No integrated RGB or ARGB lighting included
Good fit if
- You need a dual-tower cooler compatible with Intel socket LGA 1851.
- You prefer dual 120mm PWM fans rated at 25.6 dB(A) or lower.
Skip if
- You build in a compact PC chassis with under 157mm of cooler height clearance.
- You require factory-integrated ARGB lighting on your heatsink fans.
Verdict: Thermalright Peerless Assassin 120 Dual-Tower Cooler delivers dual-tower thermal capacity using six copper heat pipes for LGA 1851 systems. Its two 120mm PWM fans maintain substantial airflow while keeping specified noise at or below 25.6 dB(A).
Thermalright Peerless Assassin 120 White Dual Tower
Best for: all-white LGA 1851 builds needing dual-tower cooling
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1200
- Cooler Height
- 157mm
- Heat Pipes
- 6
- Tower Design
- Dual-Tower
- Fan Size
- 120mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Peerless Assassin 120 White Dual Tower
This Thermalright cooler is a dual-tower air cooler finished in white for LGA 1851 and other modern sockets. It pairs six 6mm heat pipes and a pure copper base with two 120mm PWM fans that push up to 66.17 CFM at 1550 RPM. Operating noise stays at or below 25.6 dB(A). It suits you if you need robust dual-heatsink cooling for your LGA 1851 processor in a white-themed system.
Pros
- Dual-tower aluminum heatsink with six 6mm copper heat pipes
- Two 120mm PWM fans delivering up to 66.17 CFM airflow
- Specified fan noise level does not exceed 25.6 dB(A)
- Pure copper base with full electroplating reflow welding
Cons
- Heatsink height of 157mm requires adequate chassis clearance
- Overall weight of 1.02kg puts substantial mass on the socket
- No built-in RGB lighting listed in specifications
Good fit if
- You need dual-tower cooling performance for an LGA 1851 processor.
- You want an all-white heatsink and fan setup to match your case.
- You prefer dual 120mm PWM fans rated under 26 dB(A).
Skip if
- You have a small-form-factor case with less than 157mm cooler clearance.
- You want integrated ARGB lighting on your CPU cooler.
Verdict: Thermalright Peerless Assassin 120 White Dual Tower delivers high airflow and six copper heat pipes for your LGA 1851 processor. It is a solid, clean-looking dual-fan option when you have at least 157mm of cooler clearance.
Thermalright 47mm Low-Profile CPU Cooler
Best for: LGA 1851 mini-ITX small form factor builds
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 47mm
- Heat Pipes
- 4
- Tower Design
- Low-Profile
- Fan Size
- 92mm
- System Type
- ITX
This compact unit is a low-profile heatsink designed for space-constrained setups. If you build inside a compact ITX case with an LGA 1851 socket, its 47mm overall height delivers essential clearance. The cooling assembly pairs four 6mm heat pipes with a 92mm slim PWM fan rated at a maximum noise level of 22.4 dBA. It suits you if you need reliable hardware clearance in a tight enclosure without sacrificing base thermal transfer.
Pros
- Total height of 47mm fits compact ITX cases
- Low noise ceiling specified at 22.4 dBA
- Four 6mm heat pipes with black nickel plating
- Compatible with LGA 1851 and older Intel/AMD sockets
Cons
- Uses a smaller 92mm fan rather than a standard 120mm size
- Includes four heat pipes instead of six found on larger coolers
- No integrated RGB or ARGB lighting
Good fit if
- You need a low-profile heatsink under 50mm for an ITX chassis.
- You run an LGA 1851 processor in a compact enclosure.
- You want a quiet cooling fan with a maximum 22.4 dBA sound rating.
Skip if
- You have space for a full-sized dual-tower cooler with 120mm fans.
- You want customizable RGB or ARGB lighting effects.
Verdict: Thermalright 47mm Low Profile ITX Cooler delivers a tight 47mm profile and four heat pipes for LGA 1851 builds where clearance is severely limited. Its 92mm slim PWM fan keeps acoustic output down to 22.4 dBA inside small form factor cases.
Thermalright AXP90 36mm Low-Profile Cooler
Best for: ultra-compact ITX builds with low clearance
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 36mm
- Heat Pipes
- 4
- Tower Design
- Low-Profile
- System Type
- ITX
- Features
- Fan
This Thermalright cooler is an ultra-compact heatsink designed for tight ITX computer builds. At 36mm in total height, it pairs a low-profile layout with four 6mm heat pipes and a slim TL-9015 PWM fan. It mounts to LGA 1851 sockets along with several older platforms. If you assemble an extremely small form factor system with strict vertical clearance, this unit delivers direct fitment.
Pros
- Total height of 36mm fits tight ITX cases
- Four 6mm heat pipes with secondary reflow soldering
- Slim TL-9015 PWM fan rated at 22.4 dBA or less
- Compatible with LGA 1851, AM5, and AM4 sockets
Cons
- Smaller cooling surface area than standard 120mm tower coolers
- No integrated RGB or lighting features
Good fit if
- You build in a compact ITX case with strict clearance limits.
- You need LGA 1851 socket support in a 36mm overall profile.
Skip if
- You have room for a larger 120mm dual-tower heatsink.
- You require integrated ARGB lighting in your build.
Verdict: Thermalright 36mm Low Profile ITX Cooler provides essential LGA 1851 compatibility for spaces where standard tower coolers cannot physically fit. Its 36mm height and slim fan suit space-constrained small-form-factor enclosures.
Thermalright 53mm Low-Profile CPU Cooler
Best for: compact LGA 1851 small form factor builds
- Socket Compatibility
- AM4, LGA 1851, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 53mm
- Heat Pipes
- 4
- Tower Design
- Low-Profile
- Fan Size
- 90mm
- Color
- Black
The Thermalright AXP90 53mm Low Profile Cooler is a compact heatsink designed for tight builds using the LGA 1851 socket. Standing 53mm tall, it fits compact enclosures where full-size tower coolers cannot clear the side panel. It features four 6mm heatpipes, an all-metal mounting platform with a backplate, and a 90mm PWM fan rated up to 22.4 dBA. You get dedicated clearance without sacrificing heatpipe conduction in small-form-factor setups.
Pros
- Low 53mm total height fits small form factor cases
- Four 6mm heatpipes with secondary reflow soldering
- Maximum fan noise rated at 22.4 dBA
- All-metal platform with backplate fastener
Cons
- Uses a smaller 90mm fan rather than a standard 120mm fan
- Includes 4 heatpipes instead of the 6 found on larger coolers
Good fit if
- You need an LGA 1851 cooler under 55mm total height.
- You want a low-profile heatsink with four 6mm heatpipes.
- You require a fan rated at or below 22.4 dBA for quiet operation.
Skip if
- You have clearance for a standard 120mm tower cooler.
- You prefer a cooler with six or more heatpipes.
Verdict: Thermalright AXP90 53mm Low Profile Cooler gives you four heatpipes and a quiet 90mm fan within a strict 53mm height limit. It is a solid choice for space-constrained LGA 1851 chassis.
SilverStone 120mm Copper Heat-Pipe CPU Cooler
Best for: LGA 1851 builds needing copper direct-contact cooling
- Socket Compatibility
- LGA 1851, LGA 1700
- Heat Pipes
- 4
- Fan Size
- 120mm
- Lighting
- ARGB
- Material
- Copper
- Dimensions
- 6.06 × 5 × 2.95 inches
View on Amazon: SilverStone 120mm Copper Heat-Pipe CPU Cooler
This 120mm CPU air cooler from SilverStone mounts directly to Intel LGA 1851 sockets. It features four 6mm copper heat pipes using direct contact technology paired with aluminum fins. The included 9-blade 120mm PWM fan has eight addressable RGB LEDs and anti-vibration rubber pads to reduce operating vibration. A spring screw mounting mechanism secures the unit in place. This cooler suits you if you want copper heat pipes and customizable lighting for your build.
Pros
- Four 6mm copper heat pipes with direct contact technology
- 120mm 9-blade PWM fan with integrated anti-vibration rubber pads
- Eight built-in ARGB LEDs controllable via motherboard or separate controller
- Spring screw mounting system for LGA 1851 and other Intel sockets
Cons
- Single cooling fan setup rather than a dual-fan configuration
- Requires a compatible motherboard header or controller for lighting operation
Good fit if
- You need LGA 1851 socket compatibility with direct-contact copper heat pipes.
- You want addressable RGB lighting integrated into a 120mm PWM fan.
- You prefer a spring screw mounting mechanism for installation.
Skip if
- You prefer a dual-tower or dual-fan cooling design.
- You lack an ARGB controller or compatible motherboard lighting header.
Verdict: SilverStone 120mm Copper Heat-Pipe CPU Cooler delivers direct-contact copper heat dissipation and ARGB lighting for Intel LGA 1851 builds. Its spring screw mounting and anti-vibration pads offer a stable and dampening setup.
Thermalright Peerless Assassin Dual Tower Air Cooler
Best for: LGA 1851 builds needing dual-tower cooling
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 155 mm
- Heat Pipes
- 6
- Tower Design
- Dual-Tower
- Fan Size
- 120 mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Peerless Assassin Dual Tower Air Cooler
This dual-tower air cooler supports the LGA 1851 socket alongside other Intel and AMD platforms. It features six 6mm copper heat pipes paired with an aluminum heatsink and two 120mm PWM fans. With a peak airflow rating of 66.17 CFM and a maximum noise rating of 25.6 dB(A), it suits you if you need balanced thermal dissipation without exceeding a 155mm chassis height clearance.
Pros
- Dual 120mm PWM fans delivering up to 66.17 CFM airflow
- Six 6mm pure copper heat pipes with AGHP technology
- Maximum rated fan noise capped at 25.6 dB(A)
- Pure copper base with electroplating reflow process
Cons
- Stands 155mm tall, requiring sufficient PC case clearance
- AMD installation requires the motherboard's original backplate
- No integrated RGB lighting included on this model
Good fit if
- You need a dual-tower cooler compatible with LGA 1851 motherboards.
- You have at least 155mm of cooler clearance inside your case.
- You prefer dual 120mm fans rated at or below 25.6 dB(A).
Skip if
- You build inside a compact case requiring a low-profile cooler.
- You want pre-installed RGB lighting on your cooler fans.
Verdict: Thermalright Peerless Assassin Dual 120mm Cooler delivers substantial cooling performance for LGA 1851 chips via dual heatsink towers and six copper heat pipes. It provides strong airflow at low specified noise levels for builds with standard tower clearance.
Thermalright Assassin X120 120mm Air Cooler
Best for: standard LGA 1851 builds in compact cases
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 148 mm
- Heat Pipes
- 4
- Fan Size
- 120 mm
- Fan Speed
- 1550 RPM
- Material
- Aluminum
This Thermalright Assassin X 120 CPU Air Cooler provides single-tower cooling designed for modern sockets including Intel LGA 1851. It features four 6mm AGHP heat pipes routed through an aluminum fin stack and stands 148mm tall to fit medium-sized enclosures. A 120mm PWM fan delivers up to 66.17 CFM of airflow at 25.6 dB(A). It suits you if you need a compact, standard-clearance cooler for everyday LGA 1851 operation.
Pros
- Compact 148mm height fits mid-size PC cases
- Four 6mm heat pipes featuring AGHP technology
- 120mm PWM fan moves up to 66.17 CFM of air
- Quiet fan operation rated at or below 25.6 dB(A)
Cons
- Four heat pipes provide less thermal transfer capacity than six-pipe models
- Single-fan configuration lacks dual-fan push-pull throughput
- No built-in RGB or ARGB lighting on this base version
Good fit if
- You need an LGA 1851 cooler that fits inside a case with 148mm height clearance.
- You prefer a single-tower heatsink that keeps weight down to 1.42 pounds.
- You want a quiet 120mm PWM fan that tops out at 25.6 dB(A).
Skip if
- You want dual cooling fans or six heat pipes for higher thermal loads.
- You require integrated ARGB lighting out of the box.
Verdict: Thermalright Assassin X 120 CPU Air Cooler delivers reliable LGA 1851 cooling in a modest 148mm profile with four heat pipes. It gives you dependable single-tower thermal dissipation without taking up excess room inside your chassis.
Thermalright Peerless Assassin 120 White
Best for: all-white mid-tower LGA 1851 desktop builds
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1200
- Cooler Height
- 157 mm
- Heat Pipes
- 6
- Tower Design
- Dual-Tower
- Fan Size
- 120 mm
- Fan Speed
- 1500 RPM
This dual-tower air cooler pairs six 6mm copper heat pipes with two 120mm PWM fans to cool your LGA 1851 processor. It stands 157mm tall with an asymmetric heatsink layout designed for graphics card and memory clearance. Delivering up to 66.17 CFM of airflow at 25.6 dB(A) maximum noise, it suits you if you want balanced dual-fan thermal performance in an all-white finish for a standard desktop case.
Pros
- Dual-tower aluminum heatsink with 9,600 cm² total surface area
- Six 6mm pure copper heat pipes with AGHP anti-gravity design
- Two 120mm PWM fans pushing up to 66.17 CFM of airflow
- Asymmetric heatsink layout preserves PCIe and memory clearance
Cons
- Standing 157mm tall, it does not fit compact or slim mini-ITX cases
- Weighs 1.02 kg (2.25 lbs), placing substantial mass on the motherboard mounting area
Good fit if
- You need a dual-tower cooler that fits LGA 1851 motherboards.
- You want an all-white heatsink and matching white fan assembly.
- You have a PC chassis with at least 157mm of vertical CPU cooler clearance.
Skip if
- You are building inside a small-form-factor or low-profile PC case.
- You prefer an all-black heatsink aesthetic for your setup.
Verdict: Thermalright Peerless Assassin 120 White provides robust dual-tower cooling for LGA 1851 with its six copper heat pipes and dual 120mm fans. Its 157mm height and offset structure make it a dependable white-themed option for mid-tower enclosures.
Thermalright Peerless Assassin 120 White ARGB Cooler
Best for: White LGA 1851 dual-tower desktop builds
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1150, LGA 1151
- Cooler Height
- 155 mm
- Heat Pipes
- 6
- Tower Design
- Dual-Tower
- Fan Size
- 120 mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Peerless Assassin 120 White ARGB Cooler
This dual-tower air cooler mounts to Intel LGA 1851 motherboards using included metal fasteners. It pairs six 6mm copper heat pipes with two 120mm PWM fans pushing up to 66.17 CFM of airflow. At 155mm tall, it fits standard mid-tower computer cases while leaving clearance for memory modules. If you need a white dual-fan setup with addressable RGB lighting for your LGA 1851 processor build, this cooler matches your setup.
Pros
- Dual 120mm PWM fans deliver up to 66.17 CFM airflow
- Six 6mm copper heat pipes with sintered copper base
- Direct support for LGA 1851 and AM5 sockets
- Rated maximum noise level of 25.6 dB(A)
Cons
- Total height of 155mm exceeds compact small-form-factor case limits
- Dual-tower design weighs 1.87 pounds on the motherboard
Good fit if
- You build an LGA 1851 system inside a white chassis.
- You need dual 120mm PWM fans with addressable RGB lighting.
- You have at least 155mm of vertical CPU cooler clearance.
Skip if
- You use a low-profile mini-ITX computer chassis.
- You prefer an all-black heatsink without lighting.
Verdict: Thermalright Peerless Assassin White ARGB Cooler delivers dual-tower cooling with six heat pipes and two addressable RGB fans for LGA 1851 processors. It provides balanced airflow and low noise without exceeding standard 155mm case clearance.
Thermalright Assassin X 120 ARGB Cooler
Best for: mid-sized LGA 1851 builds needing ARGB
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 148 mm
- Heat Pipes
- 4
- Tower Design
- Single-Tower
- Fan Size
- 120 mm
- Fan Speed
- 1550 RPM
This Thermalright Assassin X 120 ARGB CPU Cooler is a single-tower heatsink built with LGA 1851 socket hardware. At 148 mm tall, it fits comfortably into mid-sized cases where taller dual-tower coolers struggle. It pairs four 6 mm copper heat pipes with a 120 mm PWM fan that peaks at 1,550 RPM and pushes up to 66.17 CFM. It suits you if you need compact, illuminated cooling for an Intel build.
Pros
- Compact 148 mm total height fits mid-sized enclosures
- Four 6 mm AGHP copper heat pipes with pure copper base
- 120 mm PWM fan delivers up to 66.17 CFM airflow
- Quiet operation rated at or below 25.6 dB(A)
Cons
- Single-tower layout limited to one 120 mm fan
- Carries four heat pipes rather than six
Good fit if
- You need a 148 mm cooler that fits inside mid-sized cases.
- You want built-in ARGB lighting for your LGA 1851 socket.
- You prefer a direct copper base paired with anti-gravity heat pipes.
Skip if
- You require a dual-tower heatsink equipped with dual cooling fans.
- You prefer a non-illuminated cooler without any RGB LEDs.
Verdict: Thermalright Assassin X 120 ARGB CPU Cooler provides dependable LGA 1851 thermal transfer in a clearance-friendly 148 mm profile. Its single 120 mm ARGB fan balances a maximum 66.17 CFM airflow with controlled noise.
Thermalright Burst Assassin 120 ARGB
Best for: LGA 1851 builds needing compact single-tower cooling
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 154 mm
- Heat Pipes
- 6
- Tower Design
- Single-Tower
- Fan Size
- 120 mm
- Fan Speed
- 1550 RPM
The Thermalright Burst Assassin 120 ARGB CPU Cooler is a single-tower heatsink built with six 6mm copper heat pipes and a pure copper base. Standing 154mm tall, it fits medium-sized cases while supporting the LGA 1851 socket out of the box. Its included 120mm PWM fan delivers up to 66.17 CFM of airflow at 25.6 dB(A), making it a solid choice if you want compact cooling with ARGB illumination.
Pros
- Six 6mm pure copper heat pipes with AGHP technology
- Moderate 154mm overall height fits standard mid-tower cases
- 120mm PWM fan generates up to 66.17 CFM with a 25.6 dB(A) noise ceiling
- Broad socket hardware includes Intel LGA 1851 and AMD AM5
Cons
- Single-fan setup moves less total air than dual-tower, dual-fan models
- Fan bearing is rated for 20,000 hours of service life
Good fit if
- You need a 154mm-tall single-tower cooler to clear your mid-sized case.
- You want six copper heat pipes without the footprint of a dual-tower heatsink.
- You prefer an integrated ARGB PWM fan that stays under 26 dB(A).
Skip if
- You want a dual-tower heatsink with two fans for heavier thermal loads.
- You are building a small-form-factor system that requires a low-profile cooler under 70mm.
Verdict: Thermalright Burst Assassin 120 ARGB CPU Cooler delivers balanced thermal dissipation through six heat pipes and a pure copper base. It is a practical fit for LGA 1851 systems requiring a standard single-tower clearance profile.
Thermalright AXP120-X67 Low Profile Cooler
Best for: compact LGA 1851 small-form-factor builds
- Socket Compatibility
- AM4, LGA 1851, LGA 1700, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 67 mm
- Heat Pipes
- 6
- Tower Design
- Low-Profile
- Fan Size
- 120 mm
- Fan Speed
- 1800 RPM
The Thermalright AXP120-X67 is a compact air cooler designed for space-constrained builds, standing at just 67mm tall. It features six 6mm copper heat pipes and an aluminum fin stack paired with a pure copper base. A slim 120mm TL-C12015 PWM fan delivers up to 59 CFM of airflow at 26.1 dB(A). It gives you reliable LGA 1851 socket cooling when your case cannot fit full-sized tower heatsinks.
Pros
- Low total height of 67mm for compact clearance
- Six 6mm sintered copper heat pipes with AGHP technology
- Pure copper base with full electroplating reflow soldering
- Slim 120mm PWM fan pushes up to 59 CFM of airflow
- Low specified fan noise level under 26.1 dB(A)
Cons
- Socket support for AMD is limited to AM4 without listed AM5 support
- Base model does not include integrated ARGB lighting
Good fit if
- You need an LGA 1851 cooler that stays under 70mm in total height.
- You want six copper heat pipes inside a small-form-factor enclosure.
- You prefer a quiet 120mm slim PWM fan rated at 26.1 dB(A) or lower.
Skip if
- You plan to move the cooler to an AMD AM5 build in the future.
- You want built-in ARGB illumination on the heatsink or fan.
Verdict: Thermalright AXP120-X67 Low Profile Cooler delivers quiet, space-saving thermal performance for LGA 1851 setups requiring under 70mm of vertical clearance. It suits compact configurations that require six heat pipes without the bulk of a standard tower.
Thermaltake UX200 SE ARGB Air Cooler
Best for: LGA 1851 builds needing 5V ARGB lighting
- Socket Compatibility
- AM5, LGA 1851
- Heat Pipes
- 4
- TDP Rating
- 170W
- Lighting
- ARGB
- Color
- Black
- Dimensions
- 5.2 × 4.9 × 7.3 inches
The Thermaltake UX200 SE ARGB Air Cooler is a single-tower heatsink built for Intel LGA 1851 and older sockets. It features four 6mm direct-contact copper heatpipes rated to handle thermal loads up to 170W. A 9-blade fan drives airflow through the aluminum fins, while 15 addressable LEDs connect to standard 5V motherboard headers. This cooler suits your build if you want direct 5V lighting integration and moderate thermal headroom for everyday computing.
Pros
- Four 6mm direct-contact copper heatpipes rated for up to 170W
- 15 addressable LEDs compatible with 5V ARGB motherboard headers
- Nine high-airflow fan blades paired with an aluminum heatsink
- Direct socket compatibility with Intel LGA 1851 and AMD AM5
Cons
- Tall 7.3-inch height limits installation in compact enclosures
- Maximum rated heat dissipation capped at 170W
Good fit if
- You need a direct-contact copper cooler rated for up to 170W on LGA 1851.
- You want 5V motherboard-synced ARGB lighting with 15 addressable LEDs.
- You have a PC case that accommodates its 7.3-inch installed height.
Skip if
- You run a high-draw processor that exceeds the 170W limit.
- You use a compact or slim chassis unable to fit a 7.3-inch tall cooler.
Verdict: Thermaltake UX200 SE ARGB Air Cooler delivers 170W cooling capacity and 5V motherboard lighting sync for LGA 1851 motherboards. It is a solid pick if your enclosure provides enough clearance for its 7.3-inch height.
Thermalright Assassin King 120 5-Heatpipe Cooler
Best for: five-heatpipe cooling in mid-sized cases
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1150, LGA 1151
- Cooler Height
- 148 mm
- Heat Pipes
- 5
- Tower Design
- Single-Tower
- Fan Size
- 120mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Assassin King 120 5-Heatpipe Cooler
The Thermalright Assassin King 120 5-Heatpipe Cooler is a single-tower heatsink designed for Intel LGA 1851 and AMD platforms. It features five 6 mm copper heat pipes running through an aluminum fin stack and a pure copper base. Standing at 148 mm tall, it fits cases with tighter vertical clearance. A 120 mm PWM fan delivers up to 66.17 CFM of airflow, making this cooler suitable if you need balanced mid-tower cooling.
Pros
- Five 6 mm pure copper heat pipes with AGHP technology
- Compact 148 mm height fits medium-sized computer cases
- 120 mm PWM fan produces up to 66.17 CFM at 25.6 dB(A)
- Native socket support for Intel LGA 1851 and AMD AM5
Cons
- Single-fan tower design rather than dual-fan configuration
- Base model does not include ARGB lighting
Good fit if
- You need a 148 mm tall tower cooler for a mid-sized case.
- You want a single-tower heatsink with five 6 mm copper heat pipes.
- You are building on an Intel LGA 1851 or AMD AM5 socket.
Skip if
- You require built-in ARGB lighting on your CPU cooler.
- You want a dual-tower cooling setup with two fans.
Verdict: Thermalright Assassin King 120 5-Heatpipe Cooler provides dependable single-tower cooling with five copper heat pipes in a compact 148 mm profile. It delivers a solid fit for LGA 1851 builds requiring moderate height clearance without complex lighting.
Specifications side by side
| Spec | Thermalright Peerless Assassin 120 Dual Fan Cooler | Thermalright Peerless Assassin 120 White Dual Tower | Thermalright 47mm Low-Profile CPU Cooler | Thermalright AXP90 36mm Low-Profile Cooler | Thermalright 53mm Low-Profile CPU Cooler | SilverStone 120mm Copper Heat-Pipe CPU Cooler | Thermalright Peerless Assassin Dual Tower Air Cooler | Thermalright Assassin X120 120mm Air Cooler | Thermalright Peerless Assassin 120 White | Thermalright Peerless Assassin 120 White ARGB Cooler | Thermalright Assassin X 120 ARGB Cooler | Thermalright Burst Assassin 120 ARGB | Thermalright AXP120-X67 Low Profile Cooler | Thermaltake UX200 SE ARGB Air Cooler | Thermalright Assassin King 120 5-Heatpipe Cooler |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Socket Compatibility | not specified | AM4, AM5, LGA115x/1200/1700/1851/2011 | AM4, AM5, LGA115x/1200/1700/1851 | AM4, AM5, LGA1150/1151/1200/1700/1851 | AM4, AM5, LGA115x, LGA1200, LGA1851 | LGA1851, LGA1700, LGA1200, LGA115X, AM4 | AM4, AM5, LGA1700, LGA1851, LGA1200 | AM4, AM5, LGA1700, LGA1851, LGA1200 | not specified | not specified | not specified | AM4, AM5, LGA1700/1851/1150/1151/1200 | AM4, LGA 1700, 1851, 1200, 2011, 2066 | LGA 1851, 1700, 1200, AM4, AM5 | LGA 1700, 1851, 1200, AM4, AM5 |
| Cooler Height | 157mm | 157mm | 47mm | 36mm | 53mm | not specified | 155 mm | 148 mm | 157 mm | 155 mm | 148 mm | 154 mm | 67 mm | not specified | 148 mm |
| Heat Pipes | 6 | 6 | 4 | 4 | 4 | 4 | 6 | 4 | 6 | 6 | 4 | 6 | 6 | 4 | 5 |
| Tower Design | Double tower | Dual-Tower | Low-Profile | Low-Profile | Low-Profile | not specified | Dual-Tower | not specified | Dual-Tower | Dual-Tower | Single-Tower | Single-Tower | Low-Profile | not specified | Single-Tower |
| Fan Size | 120mm | 120mm | 92mm | not specified | 90mm | 120mm | 120 mm | 120 mm | 120 mm | 120 mm | 120 mm | 120 mm | 120 mm | not specified | 120mm |
| TDP Rating | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 170W | not specified |
| Fan Speed | 1550rpm±10% | 1550 RPM | not specified | not specified | not specified | not specified | 1550 RPM | 1550 RPM | 1500 RPM | 1550 RPM | 1550 RPM | 1550 RPM | 1800 RPM | not specified | 1550 RPM |
| Lighting | not specified | not specified | not specified | not specified | not specified | ARGB | not specified | not specified | ARGB | ARGB | ARGB | ARGB | not specified | ARGB | not specified |
| System Type | not specified | not specified | ITX | ITX | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Color | PA120 | White | Black | AXP90-X36 | Black | not specified | PA120 SE | not specified | White | White | AX120R SE ARGB | BA120 ARGB | AXP120-X67 1700 | Black | AK120SE |
| Material | not specified | not specified | not specified | not specified | not specified | Copper | not specified | Aluminum | Aluminum | Aluminum | not specified | not specified | not specified | not specified | not specified |
| Features | not specified | not specified | Fan | Fan | Fan | not specified | not specified | Fan | Fan | Fan | Fan | Fan | Fan | not specified | Fan |
| Dimensions | 6.18 × 5.31 × 4.92 inches | 6.18 × 5.31 × 4.92 inches | 3.74 × 3.74 × 1.26 inches | 3.74 × 3.7 × 0.83 inches | 3.7 × 3.74 × 1.5 inches | 6.06 × 5 × 2.95 inches | 6.1 × 5.31 × 4.92 inches | 4.72 × 2.8 × 5.83 inches | 6.18 × 5.31 × 4.92 inches | 4.92 × 5.31 × 6.1 inches | 4.92 × 2.8 × 5.83 inches | 4.9 × 2 × 6 inches | 4.86 × 4.72 × 2.64 inches | 5.2 × 4.9 × 7.3 inches | 5.83 × 4.92 × 2.87 inches |
| Weight | 1 pounds | 2.2 pounds | 1.1 pounds | 14.4 ounces | 1 pounds | not specified | 2 pounds | 1.42 pounds | 2 pounds | 1.87 pounds | 1.39 pounds | 1.12 pounds | 1.34 pounds | not specified | 1.4 pounds |
| Size | PA120 series | PA120 series | Height 47mm | Height 36mm | Height 53mm | not specified | PA120 SE series | not specified | not specified | PA120 SE series | 4 Heatpies | 4 Heatpies | Height 67mm | AMD/Intel | 4 Heatpies |
| Model | LM-PA 120 | pa120 White | AXP90 X47 BLACK | AXP90 X36 | AXP90 X53 BLACK | SST-AR12-TUF | PA120 SE | AX120 Refined SE | PA120 White-D2 | not specified | not specified | BA120 ARGB-D1 | AXP120-X67 1700-d2 | CL-P105-AL12SW-A | AK120 SE |
Is LGA 1851 socket compatibility worth it?
Socket compatibility with LGA 1851 ensures a cooler physically aligns with your motherboard mounting holes and processor bracket. Choosing a model with verified LGA 1851 support prevents mechanical mismatch when building on this specific platform. Most coolers listed pair this support with multi-socket hardware, fitting platforms like AM4, AM5, and LGA 1700 as well. This hardware overlap allows you to migrate cooling components across systems. For dedicated LGA 1851 builds, this specification confirms the mounting bracket attaches properly without needing separate adapters or aftermarket hardware.
Worth it if
- You build a desktop using an LGA 1851 motherboard.
- You want mounting hardware that also transfers across AM4, AM5, or LGA 1700 systems.
- You require factory-included brackets engineered specifically for your socket.
Skip it if
- You assemble an existing AMD-only system with no intent to use Intel motherboards.
- You run an older build on LGA 1200 or LGA 1151 hardware without upgrading.
If your processor workload demands higher thermal dissipation, you can select an aio liquid cooler for LGA 1851 rather than an air heatsink.
How We Picked LGA 1851 Coolers
To find the 15 best coolers for your build, we checked manufacturer specifications for LGA 1851 socket compatibility. Every model on this list explicitly states support for LGA 1851 in its title or technical features. We selected only one size or variant per product family to keep the comparison direct. We did not physically handle these units, relying strictly on published specifications.
We display products in stock first so you see available hardware immediately. Published dimensions, fan measurements, and heat pipe counts help you evaluate clearance and layout needs for your case. Pricing and stock levels refresh at least daily on the live page, keeping this guide focused entirely on hardware specifications.
How to Choose an LGA 1851 Cooler
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Count the Heat Pipes
Heat pipes conduct thermal energy from your LGA 1851 processor up into the fin stack. Models on this list provide four, five, or six copper heat pipes. If you run sustained multi-threaded workloads, look for six heat pipes to maximize thermal throughput. For lighter daily computing or mid-tier builds, four heat pipes offer adequate dissipation in a lighter profile. The Thermalright Assassin King 120 5-Heatpipe Cooler offers a balanced middle ground with five copper heat pipes. Check the published heat pipe count to align thermal capacity with your workload.
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Choose Tower Configuration
Tower layout determines surface area and motherboard clearance around the LGA 1851 socket. Dual-tower coolers provide two separate fin arrays and typically mount two fans, increasing thermal capacity for demanding applications. However, dual towers occupy more horizontal volume across memory slots and VRM heat sinks. Single-tower units use one fin stack, maintaining an open perimeter around memory modules. The Thermalright Burst Assassin 120 ARGB features a single-tower design that simplifies installation around motherboard components. Check your clearance needs to choose between dual-tower cooling volume and single-tower spatial freedom.
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Compare Fan Diameter Ratings
Fan size affects airflow volume and acoustic performance on LGA 1851 coolers. Standard tower models use 120mm PWM fans that move large amounts of air at moderate rotational speeds. Smaller low-profile coolers rely on 90mm or 92mm slim fans to fit space-limited chassis layouts, operating at different acoustic frequencies. For example, the Thermalright Peerless Assassin 120 Dual Fan Cooler pairs two 120mm fans rated at or below 25.6 dB(A) noise output. Review the fan specifications and acoustic decibel ratings to ensure the cooler matches your ambient sound tolerance.
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Check Base Plate Materials
Heat transfer begins at the contact point where the cooler rests against your LGA 1851 processor. Coolers use either direct-contact copper heat pipes or solid copper base plates paired with aluminum cooling fins. Copper provides high thermal conductivity directly over the CPU integrated heat spreader, whereas aluminum fins dissipate that heat into moving air. The SilverStone 120mm Copper Heat-Pipe CPU Cooler uses direct-contact copper heat pipes to speed thermal conduction away from the socket. Verify the contact plate material and construction type when comparing heat dissipation efficiency across models.
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Review Addressable RGB Features
Consider whether your LGA 1851 build requires internal visual illumination. Non-RGB models provide straightforward mechanical installation with standard fan power cables, avoiding extra wiring. ARGB models feature addressable RGB LEDs inside the fan hubs, allowing you to synchronize lighting themes across your motherboard and case fans. For example, the Thermaltake UX200 SE ARGB Air Cooler integrates 5V motherboard lighting sync into its fan assembly. Check whether a cooler specifies ARGB lighting if you want color control, or select a non-illuminated model for simpler wire routing inside your case.
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Evaluate Total Cooler Weight
Total cooler mass influences physical stress on your LGA 1851 motherboard. Compact low-profile designs weigh around 1 pound or less, which minimizes pressure on the circuit board during transport. Dual-tower coolers with multiple fin stacks and twin fans can exceed 2 pounds, requiring sturdy mounting hardware and secure backplates. For instance, the Thermalright Peerless Assassin 120 White Dual Tower lists a total weight of 2.2 pounds. Check the specified weight on the product spec sheet to ensure your motherboard and chassis setup comfortably support the structural mass.
Frequently asked questions
Can an LGA 1700 cooler fit an LGA 1851 motherboard?
Many LGA 1700 coolers share the same mounting layout as LGA 1851, but you must verify manufacturer specifications. Several models on our list, including the SilverStone 120mm Copper Heat-Pipe CPU Cooler and Thermalright Burst Assassin 120 ARGB, officially support both LGA 1700 and LGA 1851 brackets. Always confirm that the hardware kit explicitly lists LGA 1851 to guarantee proper mounting hole spacing and contact pressure.
What is the lowest profile cooler available for an LGA 1851 ITX case?
The Thermalright AXP90 36mm Low-Profile Cooler is the most compact option listed, measuring just 36mm in total height. It is designed specifically for tight small-form-factor builds where vertical clearance is limited. If you have slightly more clearance inside your ITX chassis, you can consider 47mm or 53mm alternatives like the AXP90-X47 or AXP90-X53, which offer four heat pipes.
Do LGA 1851 CPU air coolers require addressable RGB headers?
No, addressable RGB headers are entirely optional and only needed if you want lighting control. Models such as the Thermaltake UX200 SE ARGB or Thermalright Assassin X 120 ARGB include 5V lighting connections for illuminated fans. However, standard options like the Thermalright Peerless Assassin 120 run purely via standard PWM fan headers for cooling, requiring no RGB motherboards or software.
How many heat pipes do you need for an LGA 1851 processor?
The required heat pipe count depends on your processing load and case space. For entry-level thermal loads, single-tower models like the Thermalright Assassin X120 with four heat pipes work well. For heavier tasks, coolers with five or six heat pipes—such as the Assassin King 120 or Peerless Assassin 120—provide greater heat dissipation area from the base to the aluminum fins.
What case clearance do you need for a dual-tower LGA 1851 cooler?
You generally need between 155mm and 157mm of vertical clearance for dual-tower coolers. For example, the Thermalright Peerless Assassin 120 White requires at least 157mm, while the Peerless Assassin White ARGB fits cases with 155mm clearance. Always check your PC case chassis specifications from the motherboard surface to the side panel before installing large dual-fan cooling towers.
Are single-tower coolers sufficient for LGA 1851 desktop builds?
Yes, single-tower coolers can reliably handle LGA 1851 processors while saving interior chassis room. Models like the Thermalright Burst Assassin 120 ARGB utilize six heat pipes with a pure copper base in a single-tower design. They clear nearby motherboard components more easily than dual towers and fit cases with limited lateral space, maintaining balanced airflow without blocking access to adjacent slots.
What fan noise levels should you expect from an LGA 1851 air cooler?
Specified noise levels for LGA 1851 air coolers typically range between 22 and 26 dBA under regular operation. For instance, the Thermalright 47mm Low-Profile CPU Cooler specifies acoustic output as low as 22.4 dBA with its 92mm slim PWM fan. Larger dual-fan models like the Thermalright Peerless Assassin 120 specify noise ratings up to 25.6 dB(A) at maximum airflow.