UBJFMAC CPU Coolers: 2 Picks Ranked by Specs

Quick picks

Our 2 picks

1 Best overall

UBJFMAC 2U Server Cooler with 4 Heat Pipes

Best for: Threadripper 2U server builds

Socket Compatibility

sWRX8, sTRX4, TR4, SP3

Heat Pipes

4

TDP Rating

280W

Color

Black

Server Height

2U

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This UBJFMAC A26 cooler is built for 2U server chassis and high-TDP Threadripper processors. It features four heat pipes and handles up to 280W of heat dissipation. It supports sWRX8, sTRX4, TR4, and SP3 sockets. The black T17 size fits specific rack-mounted systems. You should choose this if you need reliable cooling for professional workstation hardware in a compact form factor.

Pros

• Supports 280W TDP rating
• Includes 4 heat pipes
• Compatible with sWRX8, sTRX4, TR4, and SP3 sockets
• Designed for 2U server height

Cons

• Limited to 4 heat pipes compared to higher-end options
• Only supports black color option
• Requires specific 2U chassis compatibility

Good fit if

• You are building a Threadripper workstation in a 2U case
• You need a cooler for sWRX8 or sTRX4 sockets
• You require a 280W heat dissipation solution

Skip if

• You are using a standard desktop ATX case
• You need support for consumer AM4 or LGA1700 sockets
• You prefer custom fan curves or software control

Verdict: UBJFMAC A26 2U CPU Cooler is a specialized solution for Threadripper builds in 2U enclosures. It fits professionals who need high heat dissipation for sWRX8 or sTRX4 platforms in a rack-mounted setup.

2 Best budget

UBJFMAC 2U LGA4677 5-Heatpipe Server Cooler

Best for: 2U server racks with LGA4677 CPUs

Socket Compatibility

LGA4677

Heat Pipes

5

TDP Rating

400W

System Type

Server

Server Height

2U

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This UBJFMAC air cooler is built for 2U server chassis and LGA4677 sockets, supporting 4th and 5th generation CPUs. It uses five heat pipes to handle a 400W TDP rating. The high-speed PWM fan ensures active cooling. You will find this silver heatsink includes an E1A bracket for mounting. It is designed for data center environments rather than standard desktop PCs.

Pros

• Five copper heat pipes for heat transfer
• 400W TDP rating for high power CPUs
• High-speed PWM fan for active cooling
• Compatible with LGA4677 socket

Cons

• Limited to LGA4677 socket compatibility
• Designed for 2U server chassis only
• Requires specific E1A, E1B, or AF8 brackets

Good fit if

• You need a cooler for a 2U server chassis
• You use an LGA4677 socket processor
• You require a 400W TDP cooling solution

Skip if

• You use a standard desktop motherboard
• You need compatibility with consumer sockets like LGA1700
• You prefer passive or low-noise cooling

Verdict: UBJFMAC 2U LGA4677 Server Cooler fits IT professionals managing 2U server racks with LGA4677 processors. It delivers necessary thermal performance for high-TDP CPUs in constrained server spaces.

Specifications side by side

UBJFMAC CPU Coolers: 2 Picks Ranked by Specs

The UBJFMAC lineup focuses on 2U server racks, offering distinct thermal solutions for specific workloads. You can choose between models with four or five heat pipes to match your processor’s heat output. The top pick, the UBJFMAC 2U Server Cooler with 4 Heat Pipes, supports SP3 sockets for Threadripper builds. It features a black finish and is designed for sWRX8 or sTRX4 platforms in rack-mounted setups. This option suits professionals needing reliable dissipation for high-end workstation CPUs in constrained spaces.

The second option, the UBJFMAC 2U LGA4677 5-Heatpipe Server Cooler, targets LGA4677 processors. It includes five heat pipes and comes with an E1A bracket for secure mounting. The silver color distinguishes it visually from the black top pick. This model delivers necessary thermal performance for high-TDP CPUs in 2U server racks. IT professionals managing these specific rack environments will find this cooler fits their hardware requirements perfectly.

Who UBJFMAC Coolers Suit

This range targets professionals managing 2U server racks. You will find options for Threadripper sWRX8 and sTRX4 platforms, as well as LGA4677 processors. The spread is narrow, covering only server-grade solutions with four or five heat pipes. All units are designed for constrained rack spaces. You lack consumer desktop options or RGB lighting features. The brand does not offer air coolers for standard ATX cases. If you need high heat dissipation for specific workstation CPUs in a 2U enclosure, this brand fits your needs. Otherwise, you should look elsewhere.

How to Choose the Right UBJFMAC Cooler

1. Match Socket Compatibility

   You must verify that the cooler supports your specific CPU socket. The top pick, the UBJFMAC 2U Server Cooler with 4 Heat Pipes, lists SP3 compatibility. This socket is used by AMD Threadripper processors in sWRX8 and sTRX4 platforms. If you are building a workstation with these high-end chips, this specific compatibility is essential. Check the published socket list carefully. Do not assume broad support. Mismatched sockets prevent installation entirely. Ensure the mounting hardware aligns with your motherboard’s hole pattern for a secure fit.

2. Select Heat Pipe Count

   The number of heat pipes affects thermal transfer capacity. You can choose between models with four or five pipes. The second pick, the UBJFMAC 2U LGA4677 Server Cooler, features five heat pipes. This design helps manage higher heat output from dense processors. More pipes generally distribute heat away from the base more efficiently. If your CPU runs hot under load, prioritize the five-pipe option. Compare the pipe count in the specs. This simple metric indicates the cooler’s potential to handle sustained thermal loads in a confined server rack environment.

3. Confirm System Type

   These coolers are built for server systems, not standard desktop cases. You need a 2U rack enclosure to house them. The product data explicitly labels both units as server solutions. They are not designed for ATX or micro-ATX desktop chassis. If you are building a home PC, these will not fit. Verify your case supports 2U server components. The form factor is strict. Using the wrong system type leads to compatibility failures. Ensure your infrastructure matches the specialized nature of these cooling units before purchasing.

4. Check Tower Height

   The 2U height specification is critical for rack mounting. You must ensure your server chassis has the vertical clearance for a 2U cooler. Both products in this list adhere to this standard height. This constraint limits airflow options but ensures compatibility with standard rack units. If your enclosure is taller, you might find other options, but for 2U racks, this is the requirement. Measure your available space. The height dictates whether the cooler fits physically. Do not overlook this dimension when planning your server build layout.

5. Review Color Options

   Color is a minor but visible spec. The first pick is black, while the second is silver. You may have a preference for aesthetic consistency within your server rack. Black units blend with standard equipment, while silver offers contrast. This choice does not affect performance. It is purely cosmetic. Check the listed color in the attributes. If you are mixing units in a rack, matching colors might look cleaner. Otherwise, the color has no impact on thermal performance or installation. Choose based on your visual preference for the hardware setup.

Frequently asked questions

See also

• ubjfmac a26 2u cooler 280w review
• ubjfmac 2u lga4677 4th review
• best PC cases for CPU Cooler
• minorsonic aio CPU cooler alternatives