15 Best Heatsinks for LGA 2011, Compared
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Finding the right heatsink for LGA 2011 motherboards requires matching your server chassis height with proper socket clearance. We compared 15 options based strictly on the specifications published on the listings. The Supermicro 1U LGA 2011 Heatsink leads the rankings because its 1U server height and model SNK-P0047PS dimensions provide a factory fit for narrow ILM Xeon E5-2600 systems.
This guide helps you decide whether an active blower unit or a passive cooler fits your rack enclosure airflow.
Quick picks
The best fit for you
- You run Xeon E5-2600 processors in 1U servers Supermicro 1U LGA 2011 Heatsink This 1U model provides dedicated narrow ILM mounting for Intel Xeon E5-2600 series server platforms.
- You need active copper cooling for 1U systems Dynatron 1U Copper Blower Heatsink Its copper skiving build delivers active cooling designed for 1U narrow ILM CPUs up to 95 watts.
- You need both Square and Narrow ILM compatibility Supermicro 2U Server Heatsink It includes mounting hardware that fits both Square and Narrow ILM sockets in 2U server enclosures.
- You need high TDP passive cooling in 1U Dynatron 1U Passive Vapor Chamber Heatsink Its copper vapor chamber enables passive cooling for narrow ILM configurations rated up to 165W TDP.
Our 15 picks
Supermicro 1U LGA 2011 Heatsink
Best for: 1U narrow ILM Xeon E5-2600 servers
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 1U
- Compatible Device
- Intel Xeon Processor E5-2600 Series
- Mounting Type
- Screws & Springs for Narrow ILM
- Dimensions
- 4.1 × 1.1 × 3.2 inches
- Weight
- 0.7 kilograms
This Supermicro heatsink provides dedicated cooling for LGA 2011 sockets across 1U server chassis, including X9 UP, DP, MP, and B9 10-blade systems. It measures 4.1 inches long, 1.1 inches wide, and 3.2 inches tall, weighing 0.7 kilograms. Designed for Intel Xeon E5-2600 series processors, it includes screws and springs for narrow ILM mounting. If you operate dense rackmount enterprise hardware requiring narrow ILM mounting, this heatsink fits your setup.
Pros
- Built for 1U server height and B9 10-blade systems
- Mounting hardware included for narrow ILM sockets
- Supports Intel Xeon Processor E5-2600 series
- Compact dimensions of 4.1 by 1.1 by 3.2 inches
Cons
- Only fits narrow ILM sockets, not square ILM
- No integrated cooling fan listed
Good fit if
- You use a 1U chassis with LGA 2011 narrow ILM mounting.
- You run Intel Xeon Processor E5-2600 series CPUs.
- You need hardware compatible with Supermicro X9 or B9 blade servers.
Skip if
- You have a square ILM socket configuration.
- You require a heatsink with an attached fan.
Verdict: Supermicro 1U LGA 2011 Narrow Heatsink provides a factory-fit thermal solution tailored for narrow ILM X9 and blade platforms. Its compact footprint ensures compatibility with 1U enterprise enclosures running Intel Xeon E5-2600 processors.
Dynatron 1U Copper Blower Heatsink
Best for: 1U LGA 2011 Narrow ILM setups
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Material
- Copper1100
- Server Height
- 1U
- Mounting Type
- Captive Mounting
- Dimensions
- 4.06 × 3.15 × 1.1 inches
- Weight
- 1.04 pounds
This is an active 1U server heatsink built from Copper1100 skiving fins and paired with an alloy frame PWM blower fan. It mounts to Intel LGA 2011 sockets with Narrow ILM configurations using captive mounting screws. The unit stands 1.10 inches tall and supports CPU power up to 95 watts. It suits you if you need active, low-profile cooling with pre-printed Shin-Etsu G751 thermal grease in a compact rackmount chassis.
Pros
- Alloy frame blower with dual ball bearings and PWM control
- Copper1100 heatsink construction with skiving fins
- Low 1.10-inch height designed for 1U server chassis
- Pre-printed Shin-Etsu G751 thermal grease
Cons
- Maximum CPU power support capped at 95 watts
- Incompatible with LGA 2011 Square ILM sockets
Good fit if
- You build or maintain a 1U server with clearance around 1.10 inches.
- You have an Intel LGA 2011 motherboard featuring Narrow ILM mounting.
- You run a processor rated at or below 95 watts.
Skip if
- You need to cool a CPU requiring more than 95 watts of power.
- You have an LGA 2011 socket with Square ILM spacing.
Verdict: Dynatron 1U Copper Blower Cooler provides active 1U thermal management for Intel LGA 2011 Narrow ILM motherboards. Its copper skiving heatsink and captive mounting deliver targeted heat dissipation for CPUs up to 95 watts.
Supermicro 2U Server Heatsink
Best for: 2U servers needing Square or Narrow ILMs
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U+
- Compatible Device
- intel Xeon E5-2600 and E5-2400 Series
- Mounting Type
- Screws & Springs
- System Type
- Server
- Weight
- 10 pounds
This Supermicro 2U server heatsink is designed for LGA 2011 and LGA 1356 sockets. It fits 2U and larger rackmount servers, supporting Intel Xeon E5-2600 and E5-2400 processors. You get mounting hardware for both Square ILM and Narrow ILM setups using screws and springs. This unit suits you if you configure X9 generation UP or DP rackmount chassis.
Pros
- Supports both Square and Narrow ILM configurations
- Includes BKT-0048L-RS and BKT-0048L-RN mounting brackets
- Compatible with LGA 2011 and LGA 1356 sockets
- Fits 2U and larger server chassis
Cons
- Requires at least 2U of chassis clearance
- Listed weight is 10 pounds
- Supported CPU list specifies only Xeon E5-2600 and E5-2400 series
Good fit if
- You run a 2U or taller server chassis.
- You need hardware supporting both Square and Narrow ILM motherboards.
- You deploy Intel Xeon E5-2600 or E5-2400 series processors.
Skip if
- You build inside a compact 1U server chassis.
- You run desktop sockets instead of LGA 2011 or LGA 1356.
Verdict: Supermicro 2U Server CPU Heatsink provides versatile server cooling with hardware included for both Square and Narrow ILM sockets. It is a direct fit for compatible 2U Intel Xeon server deployments.
Dynatron 1U Passive Vapor Chamber Heatsink
Best for: 1U servers with Narrow ILM sockets
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Material
- Copper, Aluminum
- Server Height
- 1U
- Cooling Method
- Passive
- Dimensions
- 5.2 x 2.4 x 4.5 inches
- Mounting Type
- Captive screw
This Dynatron heatsink is a 1U passive cooler built with a copper vapor chamber base and aluminum stacked fins. It handles CPUs up to 165 watts TDP on Narrow ILM Socket LGA 2011 systems. You get pre-applied Shin-Etsu 7762 thermal grease and captive screw mounting. It suits you if you run a dense 1U rackmount server that relies on high-velocity chassis fans for directional airflow.
Pros
- Copper vapor chamber with aluminum stacked fins
- Supports up to 165W TDP heat dissipation
- Pre-printed Shin-Etsu 7762 thermal grease
- Captive screw mounting mechanism
Cons
- Passive design includes no integrated cooling fan
- Supports Narrow ILM sockets only, not Square ILM
Good fit if
- You need a 1U passive cooler rated for up to 165W TDP.
- You have an LGA 2011 motherboard with a Narrow ILM socket configuration.
- You want pre-printed thermal grease for direct captive-screw installation.
Skip if
- You have an LGA 2011 motherboard with a Square ILM socket.
- You need an active cooler with a built-in fan.
Verdict: Dynatron 1U Passive Vapor Chamber Heatsink delivers 165W TDP heat dissipation in a compact 1U profile using a copper vapor chamber and aluminum stacked fins. It provides a straightforward passive cooling solution designed specifically for Narrow ILM LGA 2011 chassis airflow setups.
SilverStone 1U Passive Copper Server Heatsink
Best for: 1U server builds with existing chassis airflow
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Material
- Copper skived-fin and copper base
- Server Height
- 1U
- Cooling Method
- Passive
- System Type
- Server
- Dimensions
- 3.54 × 3.54 × 1.02 inches
View on Amazon: SilverStone 1U Passive Copper Server Heatsink
This is a low-profile passive server heatsink from SilverStone designed for Intel LGA 2011 and LGA 2066 sockets. It measures 26mm (1.02 inches) tall and features an all-copper construction with a copper base and skived fins. At 1.08 pounds and 3.54 by 3.54 inches, it fits compact 1U rackmount enclosures. It suits you if you need a pure copper passive cooling unit for tight server chassis relying on internal enclosure airflow.
Pros
- Compact 26mm (1.02-inch) profile fits 1U server racks
- All-copper construction with copper base and skived fins
- Supports Intel LGA 2011 and LGA 2066 sockets
- Passive design with zero fan noise or mechanical fan failure
Cons
- Lacks an integrated fan for standalone active cooling
- Requires high chassis airflow for heat dissipation
Good fit if
- You need a low-profile heatsink under 30mm for a 1U chassis
- You run an Intel LGA 2011 or LGA 2066 server motherboard
- You already have dedicated server fan ducts or chassis fans
Skip if
- You need an active heatsink with a built-in cooling fan
- You operate an enclosure without forced internal airflow
Verdict: SilverStone 1U Passive Copper CPU Cooler delivers a dense copper skived-fin design in a slim 26mm profile for 1U server racks. It offers reliable passive thermal transfer for Intel LGA 2011 and LGA 2066 builds that have existing chassis airflow.
Goshyda 2U Active LGA2011 Server Heatsink
Best for: 2U Narrow ILM Xeon server setups
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Cooling Method
- Active
- Compatible Device
- Xeon processor E5 2600 series
- Features
- Fan
- Dimensions
- 0.39 × 0.39 × 0.39 inches
This Goshyda unit is an active server heatsink designed for LGA 2011 Narrow ILM sockets. It features a built-in cooling fan that reaches 8400 RPM for direct heat dissipation. The cooler supports Intel Xeon E5-2600, E5-2600 v2, and E5-2600 v3 processors inside 2U chassis layouts. It suits you if you need dedicated active airflow in a rackmount chassis and plan to install it using the included tools.
Pros
- Integrated 8400 RPM cooling fan
- Fits 2U server height profiles
- Compatible with Xeon E5-2600, v2, and v3 series
- Includes complete installation tools
Cons
- Only fits Narrow ILM mounting patterns
- Lacks support for LGA 2011 Square ILM
- Not compatible with 1U server chassis
Good fit if
- You run an Intel Xeon E5-2600, v2, or v3 CPU.
- You need an active cooler for LGA 2011 Narrow ILM.
- You have a 2U server chassis.
Skip if
- You require an LGA 2011 Square ILM cooler.
- You have a 1U chassis clearance limit.
- You want a passive heatsink setup.
Verdict: Goshyda 2U Active LGA 2011 Narrow ILM Cooler delivers dedicated 8400 RPM active airflow for compatible Intel Xeon E5-2600 series server builds. It fits 2U server chassis requiring Narrow ILM mounting.
VBESTLIFE 1U Passive LGA 2011 Heatsink
Best for: 1U server chassis with directed airflow
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 1U
- Cooling Method
- Passive
- Compatible Device
- Computer CPU, GPU
- Dimensions
- 0.39 × 0.39 × 0.39 inches
- Weight
- 7.94 ounces
The VBESTLIFE 1U Passive LGA 2011 CPU Heatsink is a compact server cooling block tailored for LGA 2011 sockets. Built for slim 1U chassis heights, this unit relies entirely on passive cooling to pull thermal energy away from your processor. With a total weight under half a pound and zero moving parts, it suits you if you need a straightforward heatsink for rackmount enclosures with directed chassis airflow.
Pros
- Native support for LGA 2011 sockets
- Compact 1U server height profile
- Passive design with zero moving parts
- Lightweight build at approximately 0.5 pounds
Cons
- Passive operation provides no active fan cooling
- Compatibility limited strictly to LGA 2011 sockets
Good fit if
- You need a low-profile heatsink that fits inside a 1U server chassis.
- You have an LGA 2011 system equipped with high-airflow chassis fans.
- You want a simple passive cooling unit without mechanical fan failure points.
Skip if
- You require an active heatsink with an integrated fan.
- You operate a motherboard using a socket other than LGA 2011.
Verdict: VBESTLIFE 1U Passive LGA 2011 CPU Heatsink offers a streamlined, fanless cooling option specifically built for 1U server environments. It delivers a solid passive solution when installed in enclosures with robust internal airflow.
YQQEWI 2U LGA 2011 Passive Server Heatsink
Best for: 2U LGA 2011 narrow server builds
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Cooling Method
- Passive
- Compatible Device
- Server CPU
- Lighting
- RGB
- Color
- Black
This YQQEWI heatsink provides passive cooling for LGA 2011 server sockets in a 2U chassis profile. Built in black, it includes RGB lighting and mounts directly to narrow server boards. Because this unit relies on passive operation, you need adequate chassis airflow to move air through the radiator. It suits server setups where you need a dedicated 2U passive cooler built for LGA 2011 socket configurations.
Pros
- Engineered for 2U server height
- Passive cooling design requires no attached fan
- Compatible with LGA 2011 narrow sockets
- Features integrated RGB lighting
Cons
- Relies entirely on external system airflow for heat dissipation
- Limited to narrow LGA 2011 mounting layouts
Good fit if
- You need a passive cooler designed for a 2U server rack.
- You operate an LGA 2011 narrow socket motherboard with strong chassis airflow.
Skip if
- You need an active heatsink that comes with an attached cooling fan.
- You use a square LGA 2011 socket layout.
Verdict: YQQEWI 2U LGA 2011 Passive Server Heatsink delivers a passive cooling solution tailored for 2U server enclosures. It provides narrow LGA 2011 compatibility alongside integrated RGB lighting.
ZDAVSFR 2U Passive LGA 2011 Heatsink
Best for: 2U LGA 2011 passive rackmount server setups
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Cooling Method
- Passive
- Compatible Device
- Server CPU
- Lighting
- RGB
- Color
- Black
If you manage an LGA 2011 server build, this ZDAVSFR passive radiator fits standard 2U chassis layouts. It uses a fanless passive cooling design that relies on your server enclosure's internal chassis airflow to move heat away from the processor. Listed specs also note integrated RGB lighting and a black finish. It suits you if you need a direct passive replacement heatsink for narrow socket server boards inside multi-fan rack cases.
Pros
- Built for Socket LGA 2011 server motherboards
- Compact 2U server height profile
- Passive cooling design operates without dedicated fan noise
- Features RGB lighting and black finish
Cons
- Requires high-airflow chassis fans due to passive design
- Limited strictly to LGA 2011 socket mounting
Good fit if
- You run an LGA 2011 server in a 2U rackmount enclosure.
- You rely on chassis-directed airflow rather than active CPU fans.
Skip if
- You need an active cooler with an attached dedicated fan.
- You use a desktop socket or non-LGA 2011 processor platform.
Verdict: ZDAVSFR 2U Passive LGA 2011 Heatsink provides a dedicated passive cooling solution designed specifically for 2U LGA 2011 server environments. It delivers zero-noise heat dissipation when paired with adequate internal chassis airflow.
CTDOFUM 2U Narrow LGA 2011 Heatsink
Best for: 2U servers with narrow LGA 2011 sockets
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Lighting
- RGB
- Dimensions
- 0.39 × 0.39 × 0.39 inches
This CTDOFUM unit is a 2U server heatsink designed for LGA 2011 motherboards using narrow mounting. It features four heat pipes and handles processors rated up to 150W. With a 56mm by 94mm mounting pitch, it mounts directly to narrow socket layouts in compact rackmount chassis. You get a targeted cooling solution if you run a dense 2U rack server with an LGA 2011 processor operating within a 150W thermal envelope.
Pros
- Supports thermal loads up to 150W
- Four integrated heat pipes
- Fits standard 2U server chassis height
- Matched to 56mm x 94mm narrow mounting pitch
Cons
- Incompatible with square LGA 2011 sockets
- Thermal limit capped at 150W
Good fit if
- You need a cooler built for a 2U chassis profile.
- You run an LGA 2011 motherboard with a 56mm x 94mm narrow pitch.
- You require cooling for a CPU rated up to 150W.
Skip if
- You use a square LGA 2011 socket layout.
- You operate a processor that exceeds 150W.
- You require a cooler for a 1U chassis.
Verdict: CTDOFUM 2U Narrow LGA 2011 Heatsink provides four-pipe thermal transfer for 150W processors in 2U narrow rackmount environments. It serves systems requiring a 56mm x 94mm mounting pattern without extra clearance overhead.
KFXJMY 2U Passive LGA 2011 Server Heatsink
Best for: 2U LGA 2011 servers with chassis airflow
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Cooling Method
- Passive
- Compatible Device
- Server CPU
- Lighting
- RGB
- Color
- Black
This KFXJMY heatsink is a passive server cooler designed for LGA 2011 socket setups. Built for 2U server chassis height, it relies entirely on your system chassis fans for continuous airflow rather than an attached fan. It features a black finish and integrated RGB lighting support. You will find it suitable if you need a zero-fan heatsink for LGA 2011 server motherboards inside standard 2U enclosures.
Pros
- Designed for LGA 2011 socket compatibility
- Sized for 2U server height enclosures
- Passive design operates with zero fan noise
- Features integrated RGB lighting
Cons
- No integrated cooling fan included
- Requires chassis fans to supply airflow
Good fit if
- You need a passive cooler for a 2U LGA 2011 server.
- You run a server chassis with dedicated system airflow fans.
Skip if
- You require an active heatsink with a pre-installed fan.
- You need a cooler for a 1U chassis.
Verdict: KFXJMY 2U Passive LGA 2011 Server Heatsink provides silent, fan-free cooling tailored for 2U server chassis on the LGA 2011 platform. It serves builds where directional chassis fans handle the thermal load.
JUCMJXQEQ 2U Narrow LGA 2011 Heatsink
Best for: 2U narrow LGA 2011 server enclosures
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Lighting
- RGB
This JUCMJXQEQ heatsink is a 2U server cooler built for LGA 2011 processors using the narrow socket type. It features four heat pipes and supports thermal loads up to 150W. The mounting pitch measures exactly 56mm by 94mm for rackmount chassis integration. If you need a designated cooler for 2U server builds with narrow LGA 2011 spacing, this heatsink matches your hardware requirements without occupying extra vertical clearance.
Pros
- Designed for 2U server chassis height
- Supports thermal dissipation up to 150W
- Equipped with 4 heat pipes
- Matches 56mm x 94mm narrow mounting pitch
Cons
- Incompatible with square LGA 2011 socket layouts
- Exceeds vertical clearance for 1U rackmount enclosures
Good fit if
- You run a 2U server enclosure requiring narrow socket spacing.
- You require cooling for processors with up to 150W thermal demands.
- You have a motherboard using a 56mm x 94mm heatsink mount.
Skip if
- You have a square LGA 2011 motherboard socket layout.
- You need a low-profile heatsink that fits inside a 1U chassis.
Verdict: JUCMJXQEQ 2U Narrow LGA 2011 Heatsink delivers 150W cooling performance via four heat pipes for narrow socket configurations. It provides a targeted fit for 2U servers with 56mm by 94mm mounting points.
Maxtec LGA 2011 Replacement CPU Heatsink
Best for: industrial LGA 2011 hardware replacement
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Compatible Device
- CPU
The Maxtec LGA 2011 Replacement CPU Heatsink provides thermal management for systems built on the LGA 2011 processor platform. This unit functions as a replacement component for industrial equipment, delivering dedicated CPU cooling to keep your server hardware operational. If you maintain industrial machines or server hardware requiring an LGA 2011 heatsink swap, this unit matches that specific socket requirement without unnecessary extras.
Pros
- Native LGA 2011 socket compatibility
- Designated replacement component for industrial equipment
- Dedicated CPU heatsink design
Cons
- No dimensions or chassis height clearance provided
- Square versus narrow ILM mounting type not listed
- No fan or thermal interface material specifications included
Good fit if
- You need a direct replacement heatsink for LGA 2011 industrial equipment.
- You maintain server hardware requiring compatible socket thermal parts.
Skip if
- You need verified heatsink dimensions for compact chassis clearance.
- You require confirmation of square versus narrow ILM mounting support.
Verdict: Maxtec LGA 2011 Replacement CPU Heatsink serves as a dedicated replacement thermal solution for industrial hardware running on LGA 2011 sockets. It offers direct socket support when you need a functional component swap.
Phefop 2U Active LGA 2011 CPU Cooler
Best for: active cooling in 2U LGA 2011 servers
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Cooling Method
- Active
- Compatible Device
- CPU
- Mounting Type
- mounting screws
This 2U active heatsink fits Socket LGA 2011 motherboards with square or narrow ILM layouts. It stands 65mm tall and measures 80mm wide to fit inside standard 2U chassis. The cooler includes an 8400 RPM fan powered by a 4-pin PWM connector, pre-applied thermal interface material, and installation tools. It suits you if you run E5 2600 series processors in rackmount systems needing dedicated airflow.
Pros
- Supports both Square and Narrow ILM LGA 2011 sockets
- High-speed 8400 RPM fan with 4-pin PWM control
- Compact 65mm height fits standard 2U server chassis
- Includes pre-applied thermal interface material and mounting tools
Cons
- Height of 65mm prevents installation in 1U server chassis
- Listed processor support limited to E5 2600 v1 through v3 series
Good fit if
- You need an active cooler with an attached fan for a 2U rackmount chassis.
- You use a Socket LGA 2011 motherboard with either Square or Narrow ILM mounting.
- You run an E5 2600, E5 2600 v2, or E5 2600 v3 series processor.
Skip if
- You are building inside a 1U chassis with less than 65mm vertical clearance.
- You require a passive heatsink designed entirely for chassis duct airflow.
Verdict: Phefop 2U Active LGA 2011 CPU Cooler delivers high-speed active airflow with dual Square and Narrow ILM support for compact 2U server systems. It provides direct cooling and includes pre-applied thermal paste for straightforward rackmount installation.
2U Narrow LGA 2011 Passive Heatsink
Best for: 2U server chassis with Narrow ILM sockets
- Socket Compatibility
- LGA 2011 (what this guide is about)
- Server Height
- 2U
- Cooling Method
- Passive
- Compatible Device
- CPU
- Dimensions
- 5.5 x 2.8 x 2 inches
- Weight
- 1.2 pounds
This passive CPU heatsink is designed for LGA 2011 Narrow ILM sockets in 2U server environments. It measures 5.5 inches long, 2.8 inches wide, and 2 inches tall, weighing 1.2 pounds. Because it uses fanless passive cooling, it operates silently and serves as a replacement for Supermicro SNK-P0048PS units. You will find it suitable if your rackmount server relies on directed chassis fan airflow for processor cooling.
Pros
- 2-inch height fits 2U rackmount enclosures
- Fanless passive design allows silent operation
- Direct fit replacement for Supermicro SNK-P0048PS setups
- Engineered for LGA 2011 Narrow ILM sockets
Cons
- Lacks an attached fan for standalone cooling
- Not compatible with Square ILM socket types
Good fit if
- You need a replacement cooler for Supermicro SNK-P0048PS hardware.
- You operate a 2U server rack with built-in chassis airflow.
- You have a motherboard with an LGA 2011 Narrow ILM socket.
Skip if
- You need a dedicated fan attached directly to the heatsink.
- You have a motherboard with a Square ILM socket layout.
Verdict: 2U Narrow LGA 2011 Passive Heatsink provides a compact 2-inch profile for Supermicro SNK-P0048PS replacement in 2U server racks. It offers silent, fanless operation when your chassis supplies adequate system airflow.
Specifications side by side
| Spec | Supermicro 1U LGA 2011 Heatsink | Dynatron 1U Copper Blower Heatsink | Supermicro 2U Server Heatsink | Dynatron 1U Passive Vapor Chamber Heatsink | SilverStone 1U Passive Copper Server Heatsink | Goshyda 2U Active LGA2011 Server Heatsink | VBESTLIFE 1U Passive LGA 2011 Heatsink | YQQEWI 2U LGA 2011 Passive Server Heatsink | ZDAVSFR 2U Passive LGA 2011 Heatsink | CTDOFUM 2U Narrow LGA 2011 Heatsink | KFXJMY 2U Passive LGA 2011 Server Heatsink | JUCMJXQEQ 2U Narrow LGA 2011 Heatsink | Maxtec LGA 2011 Replacement CPU Heatsink | Phefop 2U Active LGA 2011 CPU Cooler | 2U Narrow LGA 2011 Passive Heatsink |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Socket Compatibility | LGA2011 | Intel Socket 2011 (Narrow ILM) | LGA2011 or LGA1356 | Narrow ILM Socket LGA2011 | LGA2011/2066 | Socket LGA2011 /Narrow ILM | LGA 2011 | LGA 2011 Narrow | LGA 2011 Narrow | LGA 2011 Narrow | LGA 2011 Narrow | LGA 2011 Narrow | LGA2011 | LGA2011 Square and Narrow ILM | LGA 2011 Narrow ILM |
| Material | not specified | Copper1100 | not specified | Copper, Aluminum | Copper skived-fin and copper base | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Server Height | 1U | 1U | 2U+ | 1U | 1U | 2U | 1U | 2U | 2U | 2U | 2U | 2U | not specified | 2U | 2U |
| Cooling Method | not specified | not specified | not specified | Passive | Passive | Active | Passive | Passive | Passive | not specified | Passive | not specified | not specified | Active | Passive |
| Compatible Device | Intel Xeon Processor E5-2600 Series | not specified | intel Xeon E5-2600 and E5-2400 Series | not specified | not specified | Xeon processor E5 2600 series | Computer CPU, GPU | Server CPU | Server CPU | not specified | Server CPU | not specified | CPU | CPU | CPU |
| Dimensions | not specified | not specified | not specified | 5.2 x 2.4 x 4.5 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 5.5 x 2.8 x 2 inches |
| Mounting Type | Screws & Springs for Narrow ILM | Captive Mounting | Screws & Springs | Captive screw | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | mounting screws | not specified |
| Lighting | not specified | not specified | not specified | not specified | not specified | not specified | not specified | RGB | RGB | RGB | RGB | RGB | not specified | not specified | not specified |
| System Type | not specified | not specified | Server | not specified | Server | not specified | not specified | Server | Server | not specified | Server | not specified | not specified | not specified | not specified |
| Color | not specified | not specified | not specified | not specified | 1U LGA2011/2066 Passive | default | not specified | Black | Black | LGA2011-R63-3 | Black | LGA2011-R63-3 | not specified | not specified | not specified |
| Features | not specified | not specified | not specified | Vapor Chamber | not specified | Fan | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Weight | 0.7 kilograms | 1.04 pounds | 10 pounds | 7.94 ounces | 1.08 pounds | not specified | 7.94 ounces | 1.76 ounces | not specified | not specified | not specified | not specified | not specified | not specified | 1.2 pounds |
| Model | SNK-P0047PS | R13 | NA | R31 | SST-XE01-2011 | GOSHYDAsehw4gia2n154 | Vbestlife3gf50x7vz6152 | YQQEWI | not specified | not specified | KFXJMY | JUCMJXQEQ | not specified | Phefopqyin4dreva | not specified |
| Size | not specified | not specified | not specified | not specified | not specified | not specified | not specified | A-RGB | A-RGB | NO RGB | A-RGB | NO RGB | not specified | not specified | not specified |
How to Choose LGA 2011 Heatsinks
-
Match Chassis Rack Height
You must check your chassis vertical clearance before selecting a heatsink. Server enclosures measure height in rack units. A 1U chassis requires a low-profile cooler under 1.75 inches, whereas a 2U chassis accommodates taller fin stacks. For tight 1U deployments, the SilverStone 1U Passive Copper Server Heatsink measures 1.02 inches in height to fit within standard rack enclosures. Selecting a 2U heatsink for a 1U chassis will prevent the top cover from closing. Always match the specified server height to your chassis standard.
-
Evaluate Chassis Airflow Design
You need to evaluate your system airflow setup to choose between active and passive cooling methods. Passive heatsinks have no moving parts and require robust chassis fan walls to push air across their fins. If your enclosure lacks high-pressure case fans, you need an active cooler with an attached blower or fan. The Goshyda 2U Active LGA2011 Server Heatsink includes an integrated 8400 RPM cooling fan to generate direct airflow across the processor. Choosing passive cooling in a low-airflow case can lead to thermal throttling.
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Inspect Heat Pipe Count
You should verify the internal heat transfer design if you run higher-wattage processors. Baseplates with embedded heat pipes rapidly move heat away from the CPU die into elevated cooling fins. Coolers without heat pipes rely solely on solid metal conduction, which limits thermal dissipation speed. The CTDOFUM 2U Narrow LGA 2011 Heatsink uses a four-pipe architecture to handle thermal loads up to 150W. Checking the heat pipe count helps you determine whether a compact heatsink can manage the thermal output of sustained enterprise server workloads.
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Consider Vapor Chamber Bases
You should check the base construction when cooling high-wattage components in slim enclosures. While solid metal bases conduct heat along a solid path, vapor chambers spread thermal energy evenly across the entire surface using internal phase-change liquid. The Dynatron 1U Passive Vapor Chamber Heatsink combines a copper vapor chamber with stacked aluminum fins to dissipate up to 165W TDP. If you operate processors near the top of the LGA 2011 power envelope in dense 1U racks, prioritizing a vapor chamber base provides efficient heat spreading.
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Examine Fin Base Materials
You need to review whether a heatsink uses copper, aluminum, or a hybrid layout. Copper features higher thermal conductivity than aluminum, allowing denser heat absorption in restricted spaces. However, all-copper builds increase total cooler mass considerably. For example, the Dynatron 1U Copper Blower Heatsink uses a copper skiving heatsink to dissipate thermal energy for CPUs up to 95 watts, weighing approximately 1.04 pounds. If your server enclosure has weight limitations or relies on rapid heat absorption within a tiny footprint, all-copper skiving meets those demands.
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Check Lighting Feature Requirements
You should consider whether your server installation requires visual status lighting or aesthetic illumination. Most enterprise server components prioritize plain metallic finishes without illumination. However, select rackmount heatsinks incorporate addressable lighting headers. The YQQEWI 2U LGA 2011 Passive Server Heatsink offers integrated RGB lighting alongside a black finish for customized server enclosures. If you operate an enclosed, headless rack cabinet, extra lighting provides no functional benefit. Check if your motherboard includes the appropriate lighting connector before choosing an RGB-equipped server heatsink.
Frequently asked questions
Can you use an LGA 2011 heatsink on an LGA 2066 motherboard?
Certain LGA 2011 heatsinks support LGA 2066 motherboards if the manufacturer specifies dual-socket mounting compatibility. For example, the SilverStone SST-XE01-2011 passive copper cooler lists explicit compatibility for both Intel LGA 2011 and LGA 2066 platforms. Both sockets share identical cooler mounting hole spacing. However, you must verify that your specific heatsink hardware and chassis clearance match your target board before installation.
Do passive LGA 2011 server heatsinks require chassis fans?
Yes, passive LGA 2011 heatsinks require continuous forced airflow from chassis fans to manage processor heat. Fanless units like the VBESTLIFE 1U and KFXJMY 2U lack onboard blowers, so they rely entirely on directional intake or duct fans inside your server rack. Without directed chassis airflow moving across their cooling fins, passive heatsinks will accumulate thermal energy quickly and cause your processor to throttle.
What are the mounting dimensions for narrow LGA 2011 heatsinks?
Narrow LGA 2011 heatsinks use a rectangular mounting hole pattern measuring 56 millimeters by 94 millimeters. Units such as the CTDOFUM 2U and JUCMJXQEQ 2U require this exact layout to bolt directly onto the motherboard bracket. You cannot mount a standard square socket cooler onto these motherboards without an adapter bracket. Always measure the distance between screw centers on your motherboard before picking a cooler.
What TDP rating can a 1U LGA 2011 heatsink support?
Thermal dissipation for 1U LGA 2011 heatsinks ranges up to 165 watts depending on thermal design and chassis airflow. For example, the Dynatron R31 passive cooler specifies heat dissipation up to a 165W TDP using an internal vapor chamber and aluminum fins. Meanwhile, compact copper blower units like the Dynatron R13 provide active cooling rated for processors up to 95 watts in dense rackmount configurations.
What fan speeds do active LGA 2011 server coolers reach?
Active server heatsinks frequently reach speeds exceeding 8000 RPM to push sufficient air through compact fin arrays. The Goshyda 2U active LGA 2011 cooler, for instance, includes an integrated fan running at 8400 RPM for Xeon E5-2600 builds. These elevated rotational speeds generate substantial static pressure inside shallow 2U server cases, ensuring heat moves away from the processor even when internal server clearance remains restricted.
Do LGA 2011 server heatsinks include pre-applied thermal paste?
Some LGA 2011 coolers include pre-applied thermal paste directly on the base plate, while others arrive clean. The Phefop 2U Active LGA 2011 CPU cooler provides pre-applied thermal compound straight out of the box to speed up server installation. If your selected heatsink arrives without pre-applied paste, you will need to apply a separate layer of thermal interface material across the processor integrated heat spreader.
How do vapor chambers compare to copper skived heatsinks in 1U servers?
Vapor chambers spread concentrated heat across a broader base plane, whereas copper skived heatsinks conduct thermal energy directly into seamless copper fins. Models like the Dynatron R31 use a vapor chamber combined with aluminum fins to handle higher thermal loads up to 165W. Solid copper options like the Dynatron R13 and SilverStone SST-XE01-2011 rely on pure copper skiving, maximizing thermal conductivity directly off the processor core in shallow 1U spaces.