Looking Beyond the Thermalright Peerless Assassin 120 SE CPU Cooler? 6 Alternatives Worth a Look
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The Thermalright Peerless Assassin 120 SE provides balanced dual-tower cooling using six 6mm heat pipes and dual 120mm PWM fans spinning up to 1550 RPM. If your build needs different dimensions or styling, exploring thermalright peerless assassin 120 se CPU cooler alternatives gives you more control over your setup. The baseline cooler delivers 66.17 CFM of airflow while keeping height at 155 mm, fitting modern Intel and AMD sockets like AM5 and LGA 1700.
You might still need alternative hardware for specific build restrictions. Cases with limited clearance may require a shorter 135 mm cooler, while tight memory slots often pair better with a slimmer single-tower heatsink. Other setups call for visual options like integrated ARGB lighting or all-black finishes, or specific manufacturing details like reflow-soldered copper bases. The 6 options featured here were selected because their core specifications overlap with the original cooler, including 120 mm fan layouts, multi-heatpipe arrays, and shared desktop socket compatibility.
Our top pick: Thermalright Peerless Assassin Dual Tower Air Cooler.
Comparing Alternatives to the Peerless Assassin
Thermalright Peerless Assassin 120 Dual Fan Cooler
The Thermalright Peerless Assassin 120 Dual Fan Cooler stands at 157 mm tall, which requires 2 mm more vertical case clearance than the 155 mm original. At 1 pound, its listed weight is lighter than the original cooler at 2 pounds. Both units feature six heat pipes, dual 120mm PWM fans, and identical socket support covering AM4, AM5, LGA 1700, and LGA 1851. This model provides a reflow-welded copper base, but you give up the lower clearance profile of the SE version. You should pick this cooler if your computer case accommodates a 157 mm height and you prefer a lighter dual-tower heatsink.
Thermalright Peerless Assassin 120 SE Dual Tower
The Thermalright Peerless Assassin 120 SE Dual Tower shares the core architecture of the original, including six 6mm heat pipes, dual 120mm PWM fans, and a 155 mm total height. The primary difference is its listed weight of 2.14 pounds, making it slightly heavier than the 2-pound original model. Both units support the same desktop platforms, including AMD AM4 and AM5 along with Intel LGA 1700 and LGA 1851. You do not gain extra cooling clearance or higher fan speeds here. You should pick this specific model if you need verified mounting hardware for modern sockets and prefer this particular revision for your desktop build.
Thermalright Peerless Assassin 120 CPU Cooler
This Thermalright Peerless Assassin 120 configuration matches the 155 mm height profile of the original, allowing it to clear standard mid-tower side panels. It retains six copper heat pipes, dual 120mm PWM fans, and identical socket mounting for AMD AM4, AM5, and Intel LGA 1700 platforms. Compared to the original line, which offers multiple aesthetic styles like white or ARGB variations, this option focuses on the standard baseline dual-tower layout. You give up alternative visual finishes or specialized dimensions. You should pick this version if you want the classic dual-tower cooling dimensions without any deviations in fan layout or case compatibility.
Thermalright Burst Assassin 120 ARGB
The Thermalright Burst Assassin 120 ARGB switches to a single-tower design measuring 2 inches wide, compared to the original dual-tower cooler width of 5.31 inches. It also stands at 154 mm tall and weighs 1.12 pounds, making it lighter and slightly shorter than the 155 mm, 2-pound original. This model adds addressable RGB lighting for visual customization. However, you give up the second fin stack and dual-fan configuration, which reduces overall fin surface area. You should pick this cooler if your motherboard requires extra clearance around tall memory modules or if your case cannot fit a wide dual-tower heatsink.
Thermalright Peerless Assassin 120 Mini Black
The Thermalright Peerless Assassin 120 Mini Black features a compact 135 mm height, reducing vertical clearance requirements by 20 mm compared to the 155 mm original. It also provides an all-black finish instead of bare aluminum and exposed copper. It retains six 6mm heat pipes and dual-tower airflow with a 120mm fan. However, based on its listed specifications, it omits LGA 1700 compatibility, supporting AM4, AM5, LGA 1851, and LGA 1200 instead. You also give up the dual-fan arrangement of the full-size model. You should pick this cooler if you build in a compact computer case with limited vertical clearance.
Thermalright Peerless Assassin 120 SE Aluminum Cooler
The Thermalright Peerless Assassin 120 SE Aluminum Cooler incorporates an asymmetric heatsink layout across its aluminum fin stack, which improves clearance around motherboard components compared to standard symmetrical layouts. It maintains the original cooler's 155 mm height, six 6mm heat pipe structure, and desktop socket compatibility covering AMD AM4, AM5, and Intel LGA 1700. Both options deliver dual-tower thermal dissipation using aluminum fins. However, this model gives up the bundled fan speed metrics published for the original. You should pick this cooler if you want the standard 155 mm height profile paired with an asymmetric fin design that prevents interference with nearby motherboard heatsinks.
Quick picks
Our 7 picks
Thermalright Peerless Assassin Dual Tower Air Cooler
Best for: standard mid-tower dual-fan CPU cooling builds
- Socket Compatibility
- AM4, AM5, LGA1700, LGA1851, LGA1200
- 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 is a dual-tower CPU air cooler equipped with six 6 mm copper heat pipes and two 120 mm PWM fans. It stands 155 mm tall and delivers up to 66.17 CFM of airflow at a rated maximum noise level of 25.6 dB(A). If you need balanced thermal dissipation across modern Intel or AMD sockets without exceeding standard mid-tower case clearances, this dual-fan configuration fits your build.
Pros
- Six 6 mm copper sintered heat pipes with AGHP technology
- Dual 120 mm PWM fans delivering up to 66.17 CFM
- Maximum rated fan noise level of 25.6 dB(A)
- Wide socket support across Intel LGA 1700/1851 and AMD AM4/AM5
Cons
- Requires the original motherboard backplate for AMD installation
- Overall 155 mm height requires verifying PC case clearance
Good fit if
- You need a dual-tower cooler that fits PC cases with at least 155 mm of clearance.
- You run a modern Intel LGA 1700/1851 or AMD AM4/AM5 processor.
Skip if
- You have an AMD motherboard missing its original stock backplate.
- You use a compact chassis that cannot clear a 155 mm cooler height.
Verdict: Thermalright Peerless Assassin Dual-Tower Air Cooler provides dual-fan cooling performance with six heat pipes within a 155 mm total height. It serves as a dependable standard for high-airflow thermal management on modern mainstream sockets.
Thermalright Peerless Assassin 120 Dual Fan Cooler
Best for: builders wanting reflow-soldered dual-tower cooling
- Cooler Height
- 157mm
- Heat Pipes
- 6
- Tower Design
- Double tower
- Fan Size
- 120mm
- Fan Speed
- 1550rpm±10%
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1700, LGA 1200, LGA 1150, LGA 1151
View on Amazon: Thermalright Peerless Assassin 120 Dual Fan Cooler
The Thermalright Peerless Assassin 120 is a dual-tower air cooler built with six 6mm copper heat pipes and a pure copper base. It features a full electroplating reflow welding design paired with two 120mm TL-C12 PWM fans rated up to 1550 RPM and 66.17 CFM. At 157mm tall, it fits standard mid-tower enclosures. It suits you if you need high-volume airflow and broad socket support across AMD and Intel builds.
Pros
- Six 6mm pure copper sintered heat pipes with AGHP technology
- Pure copper base with full electroplating reflow welding
- Two 120mm TL-C12 PWM fans delivering up to 66.17 CFM
- Maximum rated fan acoustic noise of 25.6 dB(A)
Cons
- 157mm overall height requires substantial case clearance
- No integrated ARGB or LED lighting
Good fit if
- You need a dual-tower cooler with a pure copper base and reflow soldering.
- You have a PC chassis with at least 157mm of CPU cooler height clearance.
- You want dual 120mm PWM fans specified for 25.6 dB(A) or lower noise.
Skip if
- You build inside a compact chassis with under 157mm of vertical clearance.
- You prefer cooling fans with built-in ARGB illumination.
Verdict: Thermalright Peerless Assassin 120 Dual Tower Cooler pairs six copper heat pipes and a reflow-welded copper base to deliver heavy-duty air cooling. Its dual 120mm PWM fans ensure high airflow while maintaining a 157mm total height.
Thermalright Peerless Assassin 120 SE Dual Tower
Best for: dual-tower air cooling on modern desktop sockets
- Socket Compatibility
- AM4/AM5, LGA 1700/1150/1151/1200/1851
- Cooler Height
- 155mm
- Heat Pipes
- 6
- Tower Design
- Dual-Tower
- Fan Size
- 120mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Peerless Assassin 120 SE Dual Tower
The Thermalright Peerless Assassin 120 SE gives you a dual-tower aluminum heatsink paired with six 6mm copper heat pipes and two 120mm PWM fans. At 155mm tall, it fits standard mid-tower enclosures while pushing up to 66.17 CFM of airflow at 1550 RPM. If you need dual-fan thermal coverage for modern Intel or AMD sockets without exceeding 25.6 dB(A) of fan noise, this setup covers your baseline requirements.
Pros
- Dual-tower heatsink equipped with six 6mm copper heat pipes
- Two 120mm PWM fans delivering up to 66.17 CFM of airflow
- Maximum rated fan noise level capped at 25.6 dB(A)
- Wide socket support covering Intel LGA 1700/1851 and AMD AM4/AM5
Cons
- Height of 155mm requires checking clearance in slim or mini-ITX cases
- Base model configuration does not include built-in lighting
Good fit if
- You have a PC case with at least 155mm of vertical CPU cooler clearance.
- You want dual 120mm PWM fans operating at or below 25.6 dB(A).
- You are building on an AMD AM4/AM5 or Intel LGA 115X/1200/1700/1851 motherboard.
Skip if
- You require an ultra-low-profile cooler for a compact small-form-factor case.
- You want integrated ARGB lighting included on your heatsink fans.
Verdict: Thermalright Peerless Assassin 120 SE Dual-Tower Cooler delivers dual-tower thermal capacity using six 6mm heat pipes and dual 120mm PWM fans. Its 155mm clearance profile and multi-socket hardware fit mainstream AMD and Intel motherboards.
Thermalright Peerless Assassin 120 CPU Cooler
Best for: dual-tower cooling in 155mm case clearance
- Socket Compatibility
- LGA1700/1851/1200/1150/1151, AM4/AM5
- Cooler Height
- 155mm
- Heat Pipes
- 6
- Tower Design
- Dual tower
- Fan Size
- 120mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Peerless Assassin 120 CPU Cooler
This Thermalright dual-tower air cooler uses six 6mm copper heat pipes soldered to a copper base with aluminum fins. It measures 155mm tall and includes two 120mm PWM fans that deliver up to 66.17 CFM of airflow at 1550 RPM, keeping noise under 25.6 dB(A). It suits you if you want high airflow and wide socket compatibility across modern Intel and AMD platforms without exceeding standard mid-tower case clearances.
Pros
- Six 6mm copper heat pipes with AGHP technology
- Two 120mm PWM fans deliver up to 66.17 CFM of airflow
- 155mm total height fits within standard mid-tower chassis
- Heatsink fin cutout provides clearance for RAM modules
Cons
- Requires the original motherboard backplate for AM4 and AM5 setups
- 135mm total width can crowd adjacent motherboard components
Good fit if
- You have a computer case with at least 155mm of vertical cooler clearance.
- You build on an Intel LGA1700/1851/1200/115x or AMD AM4/AM5 socket.
- You have retained your original AMD factory motherboard backplate.
Skip if
- You lack the original AMD factory backplate required for AM4 or AM5 mounting.
- You have a compact or slim PC case that cannot accommodate a 155mm heatsink.
Verdict: Thermalright Peerless Assassin 120mm Dual-Tower Cooler combines six copper heat pipes and dual 120mm PWM fans within a 155mm height profile. It delivers dependable dual-tower airflow across a wide range of current Intel and AMD desktop sockets.
Thermalright Burst Assassin 120 ARGB
Best for: compact single-tower builds with ARGB lighting
- Socket Compatibility
- AM4, AM5, LGA1700/1851/1150/1151/1200
- 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 Single Tower gives you a compact single-fin design instead of a bulky dual-tower layout. It stands 154 mm tall, featuring six 6 mm copper heat pipes with an aluminum heatsink and a pure copper base. You get one 120 mm PWM fan running up to 1550 RPM at 25.6 dB(A) maximum noise. This cooler suits you if you need reliable cooling in a medium-sized computer case.
Pros
- Six 6 mm copper heat pipes with AGHP technology
- Moderate 154 mm height fits medium-sized PC cases
- 120 mm PWM fan delivers up to 66.17 CFM airflow at 25.6 dB(A)
- Wide socket support including AMD AM4/AM5 and Intel LGA1700/LGA1851
Cons
- Includes only one 120 mm fan rather than dual fans
- Narrower 77 mm heatsink profile than dual-tower alternatives
Good fit if
- You need a 154 mm cooler height to fit inside a medium-sized chassis.
- You prefer a single-tower heatsink with a slim 77 mm width profile.
- You run an Intel LGA1700/1851 or AMD AM4/AM5 processor.
Skip if
- You require a dual-tower, dual-fan cooling setup.
- You prefer non-illuminated hardware without ARGB lighting.
Verdict: Thermalright Burst Assassin 120 ARGB Single Tower provides six heat pipes and ARGB lighting in a compact 154 mm frame. It serves as a space-saving option when dual-tower coolers are too wide for your setup.
Thermalright Peerless Assassin 120 Mini Black
Best for: compact all-black PC builds needing low clearance
- Cooler Height
- 135 mm
- Heat Pipes
- 6
- Fan Size
- 120mm
- Fan Speed
- 1500 RPM
- Socket Compatibility
- AM4, AM5, LGA 1851, LGA 1200, LGA 1150, LGA 1151
- Color
- Black
View on Amazon: Thermalright Peerless Assassin 120 Mini Black
The Thermalright Peerless Assassin 120 Mini Black is an all-black dual-tower CPU air cooler built for compact systems. It features a reduced 135 mm total height, six 6 mm heat pipes, and a single 120 mm TL-D12B PWM fan rated up to 1500 RPM and 66.87 CFM. This model suits you if you need a fully blackened finish and shorter clearance for smaller computer cases without sacrificing multi-socket Intel and AMD support.
Pros
- Compact 135 mm overall height fits narrower cases
- Six 6 mm AGHP heat pipes with full black coating
- Includes 120 mm PWM fan delivering up to 66.87 CFM at 25.6 dB(A)
- Wide socket compatibility including Intel LGA1700/1851 and AMD AM4/AM5
Cons
- Includes only one 120 mm fan rather than dual fans
- Fan bearing lifespan rated at 20,000 hours
Good fit if
- You need a CPU cooler height of 135 mm for tight case clearance.
- You want an all-black finish across the heatsink, pipes, and fan.
- You mount to modern Intel LGA1700/1851 or AMD AM4/AM5 sockets.
Skip if
- You want a dual-fan cooler setup directly out of the box.
- You prefer built-in ARGB or RGB lighting elements.
Verdict: Thermalright Peerless Assassin 120 Mini Black provides a compact 135 mm height and a fully black anodized layout powered by six 6 mm heat pipes. It gives you dependable dual-tower airflow in chassis that cannot accommodate standard 155 mm coolers.
Thermalright Peerless Assassin 120 SE Aluminum Cooler
Best for: aluminum dual-tower builds needing standard case clearance
- Socket Compatibility
- AM4, AM5, LGA1851, LGA1700, LGA1200
- Cooler Height
- 155mm
- Heat Pipes
- 6
- Tower Design
- Dual-Tower
- Fan Size
- 120mm
- Fan Speed
- 1550 RPM
View on Amazon: Thermalright Peerless Assassin 120 SE Aluminum Cooler
This dual-tower air cooler features aluminum heatsink fins paired with six 6mm copper heat pipes and a soldered base. You get two 120mm PWM fans delivering up to 66.17 CFM of airflow at 25.6 dB(A) maximum noise. At 155mm tall, it fits cases with standard clearance while using an asymmetric layout for graphics card spacing. It suits your build if you run mainstream Intel or AMD processors and want high-surface-area aluminum cooling.
Pros
- Six 6mm copper heat pipes with soldered base
- Two 120mm PWM fans generating up to 66.17 CFM airflow
- Fin cutout designed to improve memory module clearance
- 155mm overall height fits standard mid-tower enclosures
Cons
- Requires original AMD motherboard backplate for AM4 and AM5 mounting
- Dual-tower 135mm width requires checking socket area clearance
Good fit if
- You need a dual-tower cooler that stays within a 155mm height limit.
- You want two PWM fans rated at 25.6 dB(A) or lower noise output.
- You build on supported Intel LGA1700/1200 or AMD AM4/AM5 sockets.
Skip if
- You no longer have your original AMD motherboard backplate.
- You build in a compact case with less than 155mm CPU cooler clearance.
Verdict: Thermalright Peerless Assassin 120 SE Dual Tower delivers dual-fan airflow across six 6mm heat pipes within a 155mm profile. Its aluminum fin stack and asymmetric layout balance cooling surface area with motherboard component clearance.
Specifications side by side
| Spec | Thermalright Peerless Assassin Dual Tower Air Cooler | Thermalright Peerless Assassin 120 Dual Fan Cooler | Thermalright Peerless Assassin 120 SE Dual Tower | Thermalright Peerless Assassin 120 CPU Cooler | Thermalright Burst Assassin 120 ARGB | Thermalright Peerless Assassin 120 Mini Black | Thermalright Peerless Assassin 120 SE Aluminum Cooler |
|---|---|---|---|---|---|---|---|
| Socket Compatibility | AM4, AM5, LGA1700, LGA1851, LGA1200 | not specified | AM4/AM5, LGA 1700/1150/1151/1200/1851 | LGA1700/1851/1200/1150/1151, AM4/AM5 | AM4, AM5, LGA1700/1851/1150/1151/1200 | not specified | AM4, AM5, LGA1851, LGA1700, LGA1200 |
| Cooler Height | 155 mm | 157mm | 155mm | 155mm | 154 mm | 135 mm | 155mm |
| Heat Pipes | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Tower Design | Dual-Tower | Double tower | Dual-Tower | Dual tower | Single-Tower | not specified | Dual-Tower |
| Fan Size | 120 mm | 120mm | 120mm | 120mm | 120 mm | 120mm | 120mm |
| Fan Speed | 1550 RPM | 1550rpm±10% | 1550 RPM | 1550 RPM | 1550 RPM | 1500 RPM | 1550 RPM |
| Lighting | not specified | not specified | not specified | not specified | ARGB | not specified | not specified |
| Color | PA120 SE | PA120 | PA120 SE | PA120 SE | BA120 ARGB | Black | not specified |
| Material | not specified | not specified | not specified | not specified | not specified | not specified | Aluminum |
| Features | not specified | not specified | not specified | not specified | Fan | Fan | not specified |
| Dimensions | 6.1 × 5.31 × 4.92 inches | 6.18 × 5.31 × 4.92 inches | 4.92 × 5.31 × 6.1 inches | 4.92 × 5.31 × 6.1 inches | 4.9 × 2 × 6 inches | 4.33 × 5.31 × 4.92 inches | 6.1 × 4.92 × 5.31 inches |
| Weight | 2 pounds | 1 pounds | 2.14 pounds | not specified | 1.12 pounds | 3.53 ounces | not specified |
| Size | PA120 SE series | PA120 series | 6 Heatpipes | not specified | 4 Heatpies | not specified | not specified |
| Model | PA120 SE | LM-PA 120 | PA120 SE 1700-d6 | not specified | BA120 ARGB-D1 | PA120 MINI BLACK | PA120SE-D3-A |
When you need higher static pressure specs for your heatsink, consider the best thermalright case fans for CPU Cooler.
Frequently asked questions
Which alternative should you choose for a compact PC case with limited vertical clearance?
The Thermalright Peerless Assassin 120 Mini Black is your best option for compact enclosures. It features a reduced height of 135 mm, allowing it to fit into computer cases that cannot support standard 155 mm coolers. Even with its smaller profile, the cooler keeps a dual-tower structure with six 6 mm heat pipes and a 120 mm fan to cool modern desktop processors efficiently.
Does an alternative offer integrated lighting for your build?
Yes, you can choose the Thermalright Burst Assassin 120 ARGB if you want integrated lighting. This model includes addressable RGB illumination alongside a single-tower heatsink layout. It utilizes six heat pipes and operates with a total height of 154 mm, providing colorful illumination while maintaining a slimmer 2-inch width that avoids crowding the area around your motherboard components.
Which coolers among these alternatives support the Intel LGA 1851 socket?
All 6 alternatives on this list provide compatibility with the Intel LGA 1851 socket out of the box. Whether you select standard dual-tower models like the Peerless Assassin Dual Tower Air Cooler, the single-tower Burst Assassin 120 ARGB, or the compact Peerless Assassin 120 Mini Black, each unit includes mounting hardware for LGA 1851 along with AMD AM4 and AM5 platforms.
Does the Peerless Assassin 120 Mini Black support Intel LGA 1700 motherboards?
No, the published specifications for the Thermalright Peerless Assassin 120 Mini Black do not include the Intel LGA 1700 socket. Its listed socket support covers Intel LGA 1851, LGA 1200, LGA 1150, and LGA 1151, as well as AMD AM4 and AM5. If your build uses an LGA 1700 motherboard, choose the full-sized Peerless Assassin or Burst Assassin models instead.
What is the benefit of choosing a single-tower cooler over a dual-tower model?
A single-tower cooler provides a narrower profile that gives you more clearance around your motherboard. For example, the Thermalright Burst Assassin 120 ARGB measures 2 inches wide, compared to the 5.31-inch width typical of dual-tower coolers. This narrower layout leaves more physical space for memory modules and tall motherboard heatsinks while still using six heat pipes for heat dissipation.
How does base construction differ on the Thermalright Peerless Assassin 120 Dual Fan Cooler?
The Thermalright Peerless Assassin 120 Dual Fan Cooler uses a reflow-welded copper base rather than direct contact heat pipes. This design pairs the solid copper base with six copper heat pipes to draw thermal energy away from your processor heat spreader. The heat then travels upward into two fin stacks, where dual 120 mm PWM fans disperse it across the chassis airflow path.