Supermicro CPU Coolers: 3 Picks Ranked by Specs
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You need reliable cooling for specialized server hardware. This guide to the best Supermicro CPU coolers focuses on strict specifications. Supermicro offers passive and active solutions in 2U and 4U form factors. These units are designed for specific server chassis and socket types like LGA115x and LGA2011. We compared 3 models based on published data. The Supermicro 2U Server CPU Cooler leads the list for silent operation in LGA115x builds. Each pick is ranked by height, weight, and cooling method.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Supermicro 2U Server CPU Cooler Best overall | Silent 2U LGA115x server builds | Check price of Supermicro 2U Server CPU Cooler on Amazon |
| 2 | Supermicro 4U Active CPU Cooler Best premium | 4U server chassis with LGA2011 sockets | Check price of Supermicro 4U Active CPU Cooler on Amazon |
| 3 | Supermicro 2U LGA 2011 Active CPU Cooler Best budget | X9 2U active server builds | Check price of Supermicro 2U LGA 2011 Active CPU Cooler on Amazon |
Our 3 picks
Supermicro 2U Server CPU Cooler
Best for: Silent 2U LGA115x server builds
- Socket Compatibility
- LGA1156, LGA1155
- Fan Speed
- 2800 RPM
- Server Height
- 2U
- Cooling Method
- Passive
- Dimensions
- 3.6 × 3.6 × 3.6 inches
- Weight
- 1 pounds
View on Amazon: Supermicro 2U Server CPU Cooler Affiliate link
This Supermicro heatsink is designed for 2U server chassis. It uses a passive cooling method, meaning it relies on case airflow rather than a built-in fan. The unit supports LGA1155 and LGA1156 sockets, covering Core i3/i5/i7 and Xeon 3400 processors. It measures 3.6 inches on each side and weighs 1 pound. You should use this if your server has strong external airflow to move heat away from the fins.
Pros
- Passive design eliminates internal fan noise
- Compatible with LGA1155 and LGA1156 sockets
- Compact 3.6-inch cubic footprint
- Lightweight at 1 pound
Cons
- Passive cooling requires high case airflow
- Limited to older LGA115x socket platforms
- No adjustable fan speed settings
Good fit if
- You are building a 2U UP server
- You need silent operation in a workstation
- You use LGA1155 or LGA1156 processors
Skip if
- You require active fan cooling
- You use modern LGA1700 or AM5 sockets
- You have low airflow server cases
Verdict: Supermicro 2U Passive CPU Cooler is a specialized heatsink for older LGA115x systems. It fits 2U servers where case fans provide sufficient airflow. It is not suitable for modern high-TDP CPUs or low-airflow environments.
Supermicro 4U Active CPU Cooler
Best for: 4U server chassis with LGA2011 sockets
- Socket Compatibility
- LGA2011
- Cooling Method
- Active
- Dimensions
- 3.6 × 5 × 4.2 inches
- Weight
- 1 pounds
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This Supermicro unit is a 4U active heatsink designed for LGA2011 sockets. It features a copper base, aluminum fins, and heat pipes. The package includes a cooling fan and mounting brackets for square and narrow ILMs. It weighs 1 pound and measures 5 by 4.2 by 3.6 inches. It supports Intel Xeon E5-2600 series processors in UP and DP server systems.
Pros
- Active cooling with included fan
- Copper base for efficient heat transfer
- Supports LGA2011 socket
- Includes mounting brackets for various ILMs
Cons
- Large 4U form factor limits case compatibility
- Limited to LGA2011 socket type
- Heavier build at 1 pound
Good fit if
- You need a cooler for a 4U server chassis
- You use an LGA2011 Intel Xeon E5-2600 processor
- You require active cooling for UP or DP systems
Skip if
- You have a standard desktop case
- You use a socket other than LGA2011
- You prefer passive cooling solutions
Verdict: Supermicro LGA2011 4U Active CPU Heatsink is a specialized cooling solution for 4U server racks using LGA2011 processors. It fits users who need robust active cooling for specific server hardware configurations.
Supermicro 2U LGA 2011 Active CPU Cooler
Best for: X9 2U active server builds
- Socket Compatibility
- LGA 2011 (Square and Narrow ILMs)
- Fan Speed
- 8400 RPM
- Dimensions
- 3.15 × 2.7 × 3.2 inches
- Weight
- 1.9 ounces
View on Amazon: Supermicro 2U LGA 2011 Active CPU Cooler Affiliate link
This Supermicro heatsink is built for LGA 2011 sockets, supporting Intel Xeon E5-2600 processors in X9 2U active systems. It uses copper and aluminum with heat pipes. The fan spins at 8400 RPM, reaching 52.0 dBA. It weighs 1.9 ounces and measures 3.15 by 2.7 by 3.2 inches. You should use it if you need a compact, high-speed cooling solution for server-grade hardware.
Pros
- Compatible with LGA 2011 square and narrow ILMs
- Supports Intel Xeon E5-2600 series processors
- High 8400 RPM fan speed for active cooling
- Lightweight 1.9 ounce design
Cons
- High noise output of 52.0 dBA
- Small 3.15 inch length limits heat dissipation area
- Designed specifically for 2U server chassis
Good fit if
- You are building a X9 2U active server
- You use an LGA 2011 square or narrow ILM socket
- You need a lightweight heatsink under 2 ounces
Skip if
- You require quiet operation below 40 dBA
- You are using a desktop ATX case
- You have an LGA 115x or newer socket
Verdict: Supermicro SNK-P0048AP4 LGA 2011 Cooler delivers high-speed cooling for specific server builds. It fits X9 2U active systems with Xeon E5-2600 CPUs, but the noise level and size make it unsuitable for standard desktops.
Specifications side by side
| Spec | Supermicro 2U Server CPU Cooler | Supermicro 4U Active CPU Cooler | Supermicro 2U LGA 2011 Active CPU Cooler |
|---|---|---|---|
| Socket Compatibility | LGA1156, LGA1155 | LGA2011 | LGA 2011 (Square and Narrow ILMs) |
| Fan Speed | 2800 RPM | not stated | 8400 RPM |
| Server Height | 2U | not stated | not stated |
| Cooling Method | Passive | Active | not stated |
| Dimensions | 3.6 × 3.6 × 3.6 inches | 3.6 × 5 × 4.2 inches | 3.15 × 2.7 × 3.2 inches |
| Weight | 1 pounds | 1 pounds | 1.9 ounces |
| Model | SNK-P0046A4 | SNK-P0050AP4 | SNK-P0048AP4 |
Supermicro CPU Cooler Specs Guide
You can group these coolers by server form factor and socket type. The passive 2U option fits older LGA115x systems in 2U racks. It relies on case airflow. The 4U active unit targets LGA2011 sockets in larger chassis. It provides robust cooling for specific server builds.
The 2U LGA 2011 active cooler suits X9 systems with Xeon E5-2600 CPUs. It is compact but noisy. You should choose based on your rack size and socket. These units are not for standard desktops. Check your chassis dimensions carefully. Passive units need strong airflow. Active units add fan noise. Match the spec sheet to your hardware.
Where Supermicro Fits in Server Cooling
Supermicro’s current lineup spans from compact 2U passive units to larger 4U active coolers. You will find options for LGA115x and LGA2011 sockets. The smallest cooler measures 2.7 by 3.2 inches, while the largest reaches 5 by 4.2 inches. All listed models are designed for server racks. None support modern desktop sockets like LGA1700 or AM5. You will also not find RGB lighting or fanless designs for high-TDP desktop CPUs. This range suits dedicated server builds in 2U or 4U chassis. It does not fit standard desktop PC cases or newer consumer platforms.
How to Choose the Right Supermicro Cooler
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Match the Socket Type
You must verify that the cooler supports your specific CPU socket. The SNK-P0048AP4 explicitly lists LGA 2011 compatibility, making it suitable for Xeon E5-2600 processors in X9 2U systems. Other models may target older LGA115x or different socket types. Checking this specification prevents installation failures. You cannot force a cooler into an incompatible socket. Ensure the mounting hardware aligns with your motherboard’s hole pattern. This step is critical for proper thermal contact and system stability.
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Check Form Factor Size
Server racks have strict height and width limits. You need to measure your chassis before buying. The SNK-P0050AP4 is a 4U active cooler, requiring more vertical space than the 2U options. The SNK-P0046A4 is designed for 2U servers where space is tighter. If your case is too small, the cooler will not fit. Compare the width, height, and length specs against your available clearance. Choosing the wrong form factor means you cannot install the unit.
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Decide on Cooling Method
You should choose between passive and active cooling based on your airflow needs. Passive coolers like the SNK-P0046A4 rely entirely on case fans for heat dissipation. They generate no noise from the cooler itself. Active coolers, such as the SNK-P0050AP4, include integrated fans for direct heat removal. This adds noise but improves thermal performance. Your system’s existing airflow must support passive designs. Select active cooling if you need higher thermal headroom in a confined space.
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Assess Physical Dimensions
The physical size of the heatsink affects airflow dynamics. The SNK-P0048AP4 is notably compact, measuring 2.7 inches in width and 3.15 inches in length. This small footprint suits dense server environments. Larger coolers like the SNK-P0050AP4 measure 5 inches wide and 4.2 inches high. These provide more surface area for heat exchange. You must ensure your server chassis can accommodate these dimensions. Larger units may block adjacent slots or components.
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Consider System Application
These coolers are specialized for server builds, not standard desktops. The SNK-P0048AP4 is optimized for X9 2U active systems with Xeon CPUs. It is not suitable for general-purpose desktop computers. Similarly, the SNK-P0046A4 is intended for older LGA115x server systems. You should not use these in low-airflow desktop cases. Verify that your environment matches the intended use case. Using server-grade coolers in consumer hardware often leads to poor performance or compatibility issues.
Frequently asked questions
Which Supermicro cooler is best for silent 2U builds?
The Supermicro 2U Server CPU Cooler is the top choice for silent operations. It uses a passive cooling method, meaning it has no fans. This model, identified by ASIN B0038WJIUU, relies entirely on case airflow. It is ideal for LGA115x systems in 2U racks where other fans provide sufficient air movement.
What is the best budget Supermicro cooler for 4U servers?
The Supermicro 4U Active CPU Cooler is the best budget option for larger chassis. This active cooler, model SNK-P0050AP4, is designed for LGA2011 sockets. It measures 5 inches by 4.2 inches by 3.6 inches. It provides robust cooling for specific server hardware configurations in 4U racks.
Which Supermicro cooler supports LGA 2011 sockets?
The Supermicro 2U LGA 2011 Active CPU Cooler explicitly supports LGA 2011 sockets. This model, SNK-P0048AP4, is suitable for Xeon E5-2600 CPUs in X9 2U systems. It delivers high-speed active cooling but is not suitable for standard desktops due to its size and noise profile.
Are Supermicro CPU coolers compatible with modern desktops?
No, most Supermicro coolers are not suitable for modern desktops. They are specialized for server chassis like 2U or 4U racks. For example, the active LGA 2011 cooler is too large and noisy for standard cases. The passive 2U unit requires specific case airflow that desktops often lack.
What is the smallest Supermicro CPU cooler size?
The smallest cooler in this lineup is the Supermicro 2U LGA 2011 Active CPU Cooler. It measures 2.7 inches by 3.2 inches by 3.15 inches. This compact size fits into X9 2U active systems. It weighs only 1.9 ounces, making it the lightest and smallest option listed.
Do any Supermicro coolers include fans?
Only the active models include fans. The Supermicro 4U Active CPU Cooler and the Supermicro 2U LGA 2011 Active CPU Cooler both use active cooling methods. The Supermicro 2U Server CPU Cooler is passive and has no fan. You must ensure your case provides airflow for the passive unit.
Which cooler is best for Xeon E5-2600 processors?
The Supermicro 2U LGA 2011 Active CPU Cooler is best for Xeon E5-2600 processors. It is explicitly designed for LGA 2011 sockets and X9 2U systems. This active cooler delivers high-speed cooling required for these specific server CPUs. It is not intended for general desktop use.