6 Best Alternatives to the CTDOFUM 2U LGA4677 5-Heatpipe Cooler (2026)

How each alternative compares

JUCMJXQEQ 2U LGA4677 5-Heatpipe Server Cooler

The JUCMJXQEQ unit shares the same 2U height and five heat pipe design as the CTDOFUM cooler, making it a direct functional equivalent for LGA4677 sockets. The key difference lies in the mounting hardware. This model comes with an E1A bracket, whereas the CTDOFUM includes the E1B bracket. You should choose this option if your server chassis or motherboard requires the E1A mounting configuration. Both units target the same server system type and provide passive heat dissipation enhanced by active fan airflow. The silver color and general form factor remain consistent with standard enterprise server requirements. If your existing setup uses E1A hardware, this cooler offers a straightforward swap without changing the cooling performance profile.

KFXJMY 2U 5 Heat Pipe Server Cooler

The KFXJMY cooler expands your socket options beyond the LGA4677 support found in the CTDOFUM unit. It supports both LGA4677 and LGA4710 sockets, which provides greater flexibility for mixed-processor environments or future upgrades within the 2U form factor. Like the original, it utilizes five heat pipes and includes a fan for active cooling. However, this model features RGB lighting and a black finish, which contrasts with the standard silver appearance of the CTDOFUM. Some variations may lack RGB, so check the specific size option. If you need compatibility with LGA4710 processors or prefer a black aesthetic for your server build, this alternative offers broader socket support while maintaining the necessary 2U height constraints.

Boartechs 2U LGA4677 5-Heatpipe Server Cooler

The Boartechs cooler is designed specifically for LGA4677 processors in 2U server builds, matching the core compatibility of the CTDOFUM unit. It also employs five heat pipes for effective heat transfer. A notable distinction is the inclusion of PWM control, which allows for adjustable fan speeds based on thermal loads. This feature helps manage noise levels and power consumption more precisely than fixed-speed alternatives. The unit weighs 2.2 pounds, providing a sense of solid construction. It is identified by the model code 4677-2UAF8. If you require adjustable fan curves to optimize cooling efficiency in a dense server rack, this model provides that control. It serves as a reliable replacement for standard 2U cooling needs where dynamic fan management is preferred.

YQQEWI 2U Active Server Cooler

The YQQEWI active server cooler offers support for both LGA4677 and LGA4710 sockets, similar to the KFXJMY option. This dual-socket compatibility makes it a versatile choice for technicians maintaining older 4th and 5th generation Intel server hardware. It features a black color scheme and RGB lighting, distinguishing it visually from the silver CTDOFUM model. The cooling method is explicitly listed as active, ensuring consistent airflow for high-TDP processors. Like the original, it adheres to the 2U height restriction. If you need a cooler that can handle LGA4710 processors or if you prefer the aesthetic of black components with RGB accents, this unit provides the necessary active cooling performance. It is a direct fit for server replacements requiring broader socket support.

Supermicro 2U Server Heatsink

The Supermicro heatsink targets a completely different socket type, supporting LGA2011 instead of LGA4677. It is designed for dual-processor systems using Xeon E5-2600 or E5-2400 CPUs. This unit weighs 10 pounds, indicating a significantly larger and heavier construction compared to the lightweight CTDOFUM model. It is intended for systems where 2U or greater height is available. You should only consider this alternative if your server uses LGA2011 sockets. It is not compatible with LGA4677 processors. This cooler is a specialized enterprise solution for older Xeon E5 platforms. If you are upgrading a legacy dual-socket server or replacing a failed heatsink in an LGA2011 system, this component provides the necessary thermal dissipation for those specific processors.

MITXPC Threadripper EPYC Passive 2U Heatsink

The MITXPC passive heatsink is designed for SP3 sockets, supporting AMD Threadripper and EPYC processors. It is a passive cooling solution, meaning it relies entirely on case airflow rather than an attached fan. This results in silent operation, which is ideal for environments where noise is a concern. The unit measures 3.15 inches in width, 2.52 inches in height, and 4.45 inches in length. It is not compatible with LGA4677 or LGA2011 sockets. You should choose this option only if you are building or maintaining an AMD Threadripper or EPYC server with strong case airflow. It provides a solid passive cooling option for 180W processors. This alternative is for users prioritizing silence over active fan control and who require SP3 socket compatibility.

Quick picks

Our 7 picks

1 Best overall

CTDOFUM 2U LGA4677 5-Heatpipe Cooler

Best for: Standard 2U server cooling needs

Socket Compatibility

LGA4677

Server Height

2U

Compatible Device

Server CPU

Heat Pipes

5 Heat Pipes

Dimensions

0.39 × 0.39 × 0.39 inches

View on Amazon: CTDOFUM 2U LGA4677 5-Heatpipe Cooler Affiliate link

This CTDOFUM heatsink is built for 2U server chassis and supports LGA4677 sockets used in 4th and 5th generation Intel processors. It features five heat pipes and a high-speed PWM fan to manage TDP up to 400 watts. The unit includes the E1B bracket for mounting. You should choose this cooler if you need a direct replacement for standard 2U server cooling requirements.

Pros

• Five heat pipes for efficient heat transfer
• Supports LGA4677 socket compatibility
• High-speed PWM fan for active cooling
• Rated for 400W TDP

Cons

• Limited to 2U chassis height
• Specific to 4th and 5th gen CPUs
• Only one bracket option listed

Good fit if

• You need a 2U server heatsink
• You use an LGA4677 socket
• You require support for 400W TDP

Skip if

• You have a 1U chassis
• You use an LGA4710 socket
• You need a liquid cooling solution

Verdict: CTDOFUM 2U LGA4677 5-Heatpipe Cooler fits server builds requiring 2U height and LGA4677 socket support with high TDP handling.

2 Also great

JUCMJXQEQ 2U LGA4677 5-Heatpipe Server Cooler

Best for: LGA4677 server cooling in 2U chassis

Socket Compatibility

LGA4677

Server Height

2U

Compatible Device

Server CPU

Heat Pipes

5 Heat Pipes

View on Amazon: JUCMJXQEQ 2U LGA4677 5-Heatpipe Server Cooler Affiliate link

This JUCMJXQEQ heatsink is built for 2U server chassis and Intel LGA4677 sockets. It uses five copper heat pipes to move heat from the CPU to the aluminum fins. The unit includes a high-speed PWM fan for variable airflow control. It is designed specifically for 4th and 5th generation Intel Xeon processors. The silver finish helps dissipate thermal energy efficiently in tight server environments.

Pros

• Five heat pipes for effective thermal transfer
• Compatible with LGA4677 socket servers
• Supports 2U chassis form factors
• High-speed PWM fan for adjustable cooling

Cons

• Limited to LGA4677 socket compatibility
• No support for consumer desktop sockets
• Requires specific server bracket configuration

Good fit if

• You need a replacement for an LGA4677 server CPU
• You are building or maintaining a 2U server chassis
• You require high airflow for 4th or 5th gen Xeons

Skip if

• You use a standard desktop motherboard
• You need support for LGA1700 or AM5 sockets
• You are looking for a low-noise consumer solution

Verdict: JUCMJXQEQ 2U LGA4677 Server Cooler fits IT professionals maintaining older server racks with LGA4677 processors. It provides reliable cooling for 4th and 5th generation Xeons in 2U enclosures.

3 Best premium

KFXJMY 2U 5 Heat Pipe Server Cooler

Best for: 2U server builds with LGA4677/LGA4710

Socket Compatibility

LGA4677, LGA4710

Server Height

2U

Compatible Device

Server CPU

Fan Size

6025MM

Dimensions

0.39 x 0.39 x 0.39 inches

Heat Pipes

5 Heat Pipes

View on Amazon: KFXJMY 2U 5 Heat Pipe Server Cooler Affiliate link

This KFXJMY cooler is built for 2U server chassis and supports LGA4677 and LGA4710 sockets. It uses five heat pipes and a 6025mm PWM fan to manage thermal loads. The unit is black and includes RGB lighting. It is designed for server CPUs rather than desktop systems. You should use it if you need a compact, high-speed cooling solution for specific server hardware.

Pros

• Supports LGA4677 and LGA4710 sockets
• Includes five heat pipes for heat transfer
• Uses a 6025mm PWM fan for airflow
• Features RGB lighting
• Fits in 2U server chassis

Cons

• Limited to server CPU compatibility
• Small physical dimensions may restrict airflow
• RGB lighting may not suit all server environments

Good fit if

• You need a cooler for LGA4677 or LGA4710 sockets
• You are building a 2U server chassis
• You want PWM fan control for speed adjustment

Skip if

• You are using a desktop CPU socket
• You need a cooler for a non-2U chassis
• You require a silent fan without PWM control

Verdict: KFXJMY 2U LGA4677 5-Heatpipe Cooler is a specialized server component. It fits users who need LGA4677 or LGA4710 support in a 2U form factor with active PWM cooling.

4 Also great

Boartechs 2U LGA4677 5-Heatpipe Server Cooler

Best for: LGA4677 2U server cooling

Socket Compatibility

LGA4677

Material

Aluminum extrusion

Server Height

2U

Heat Pipes

5 Heat Pipes

System Type

Server

Weight

2.2 pounds

View on Amazon: Boartechs 2U LGA4677 5-Heatpipe Server Cooler Affiliate link

This Boartechs cooler is built for 2U server chassis and LGA4677 sockets. It uses aluminum extrusion fins and five heat pipes to move heat away from the CPU. A high-speed PWM fan adjusts its speed to balance cooling and noise. The design allows for easy installation without removing the fan first. It weighs 2.2 pounds and is sized for the 4677-2UAF8 form factor.

Pros

• Five heat pipes for efficient heat transfer
• Aluminum extrusion fin stack for durability
• PWM fan control for adjustable speed
• Easy installation without fan removal

Cons

• Limited to LGA4677 socket compatibility
• No mention of noise level specifications
• Heavy at 2.2 pounds for a 2U unit

Good fit if

• You need a 2U cooler for LGA4677 servers
• You want a straightforward aluminum heatsink design
• You require PWM fan speed adjustment

Skip if

• You use LGA4710 or other sockets
• You need a 1U chassis compatible cooler
• You require liquid cooling for extreme loads

Verdict: Boartechs 2U LGA4677 5-Heatpipe Cooler fits 2U server builds using LGA4677 processors. It offers reliable aluminum heat dissipation with PWM control for users who need a direct replacement for standard 2U server cooling.

5 Best active

YQQEWI 2U Active Server Cooler

Best for: LGA4677 and LGA4710 server replacements

Socket Compatibility

LGA4677, LGA4710

Server Height

2U

Cooling Method

Active

Compatible Device

Server CPU

Lighting

RGB

Color

Black

View on Amazon: YQQEWI 2U Active Server Cooler Affiliate link

This YQQEWI cooler is an active 2U heatsink designed for server CPUs. It supports LGA4677 and LGA4710 sockets, covering 4th and 5th generation Intel processors. The unit features RGB lighting and a black finish. It fits standard 2U server chassis. You should consider this if you need a direct replacement for existing LGA4677 or LGA4710 systems requiring active airflow.

Pros

• Active cooling method with fan
• Supports LGA4677 and LGA4710 sockets
• Fits 2U server chassis
• Includes RGB lighting

Cons

• Limited to 2U height
• Only supports specific server sockets
• No PWM speed control mentioned

Good fit if

• You need a 2U heatsink for LGA4677 or LGA4710
• You require RGB lighting for your server build

Skip if

• You require a 1U low-profile cooler
• You use consumer desktop sockets like LGA1700

Verdict: YQQEWI 2U LGA4677 Active Server Cooler is a straightforward 2U active solution for LGA4677 and LGA4710 server builds. It suits technicians maintaining 4th and 5th gen Intel server hardware who need a direct fit.

6 Best lga 2011

Supermicro 2U Server Heatsink

Best for: LGA2011 server systems with Xeon E5 CPUs

Socket Compatibility

LGA2011 or LGA1356

Server Height

2U+

Compatible Device

intel Xeon E5-2600 and E5-2400 Series

Mounting Type

Screws & Springs

System Type

Server

Weight

10 pounds

View on Amazon: Supermicro 2U Server Heatsink Affiliate link

This Supermicro heatsink is built for 2U+ server chassis and supports LGA2011 and LGA1356 sockets. It uses screws and springs for secure mounting on both square and narrow ILMs. The unit weighs 10 pounds, providing substantial mass for thermal absorption. It is designed specifically for Intel Xeon E5-2600 and E5-2400 series processors in dual-processor or single-processor server configurations.

Pros

• Supports LGA2011 and LGA1356 sockets
• Includes screws and springs for square and narrow ILMs
• 10-pound heavy build for heat dissipation
• Designed for Intel Xeon E5-2600 and E5-2400 series

Cons

• Only compatible with LGA2011 and LGA1356 sockets
• Requires specific server mounting hardware
• Heavy 10-pound weight limits portability

Good fit if

• You need a cooler for LGA2011 servers
• You use Intel Xeon E5-2600 or E5-2400 CPUs
• You have a 2U+ chassis with proper mounting points

Skip if

• You use LGA115x or AM4 sockets
• You need a standard desktop air cooler
• You require support for consumer-grade Intel Core processors

Verdict: Supermicro 2U LGA2011 Heatsink is a specialized solution for enterprise servers using LGA2011 sockets. It fits dual-processor systems with Xeon E5-2600 or E5-2400 CPUs where 2U+ height is available.

7 Best budget

MITXPC Threadripper EPYC Passive 2U Heatsink

Best for: Silent AMD Threadripper and EPYC servers

Socket Compatibility

sTRX4, TR4, SP3

Material

Aluminum, Heatpipes

Server Height

2U

Cooling Method

Passive

Dimensions

4.45" x 3.15" x 2.52"

System Type

Server

View on Amazon: MITXPC Threadripper EPYC Passive 2U Heatsink Affiliate link

The Dynatron A34 is a passive 2U server heatsink for AMD SP3, TR4, and sTRX4 sockets. It dissipates up to 180W using an aluminum base and stacked fins. The unit measures 4.45 x 3.15 x 2.52 inches and includes pre-applied Shin-Etsu 7762 thermal paste. You need case fans for airflow. This cooler suits users who need silent, low-profile cooling for Threadripper or EPYC systems.

Pros

• Passive cooling design for zero noise
• Supports SP3, TR4, and sTRX4 sockets
• Pre-applied Shin-Etsu 7762 thermal paste
• Compact 2U form factor

Cons

• Requires external case fans for operation
• Limited to 180W heat dissipation
• No PWM fan control included

Good fit if

• You need silent cooling for a server
• You use an AMD SP3 or Threadripper CPU
• You have adequate case airflow

Skip if

• You need active fan control
• Your CPU exceeds 180W TDP
• You prefer a larger heatsink

Verdict: Dynatron A34 Passive 2U Heatsink fits users who prioritize silence and have strong case airflow. It is a solid passive option for 180W AMD Threadripper or EPYC builds.

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