MITXPC Dynatron LGA4189 Copper Heatpipe vs MITXPC Dynatron A34 AMD Threadripper (2026): Key Differences
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The mitxpc dynatron lga4189 copper heatpipe vs dynatron a34 amd comparison highlights two distinct server cooling solutions. Both units use Shin-Etsu 7762 thermal paste and aluminum construction. The main difference lies in their target platforms and cooling methods. One supports Intel FCLGA4189 with active airflow, while the other handles AMD Threadripper and EPYC sockets in a passive design. You must match the cooler to your specific processor socket and chassis constraints.
Key differences
| Aspect | Dynatron LGA4189 Copper Heatpipe Heatsink | MITXPC Threadripper EPYC Passive 2U Heatsink |
|---|---|---|
| Socket Compatibility | FCLGA4189 | sTRX4, TR4, SP3 |
| Cooling Method | Active (23CFM) | Passive |
| Max TDP | 270W | 180W |
| Heatpipe Material | Copper | Not listed |
| Dimensions | Not listed | 4.45" x 3.15" x 2.52" |
Which one should you choose?
Choose Dynatron LGA4189 Copper Heatpipe Heatsink if
- You use an Intel FCLGA4189 processor like Ice Lake or Cooper Lake.
- Your system requires handling up to 270W TDP with active airflow.
- You need copper heatpipes for enhanced thermal conductivity.
Choose MITXPC Threadripper EPYC Passive 2U Heatsink if
- You use AMD Threadripper (sTRX4, TR4) or EPYC (SP3) processors.
- You are building a passive 2U server chassis without fans.
- Your thermal design power is 180W or lower.
Verdict: Choose the Dynatron LGA4189 if you are cooling Intel server CPUs with active airflow and higher power needs. Pick the Dynatron A34 for AMD Threadripper or EPYC systems requiring a passive, space-constrained 2U solution.
Dynatron LGA4189 vs A34 Comparison
Socket Compatibility
You must match the cooler to your specific processor socket. The Dynatron LGA4189 Copper Heatpipe Heatsink is designed exclusively for Intel FCLGA4189 sockets, which are found in Ice Lake and Cooper Lake platforms. This makes it a precise fit for those specific server configurations. In contrast, the MITXPC Threadripper EPYC Passive 2U Heatsink supports AMD sockets. It works with sTRX4, TR4, and SP3. This covers AMD Threadripper and EPYC processors. If you are building with Intel FCLGA4189, the first option is your only choice. If you use AMD Threadripper or EPYC, the second option is required. They do not overlap in socket support.
Cooling Method
The cooling mechanism defines how heat moves away from the CPU. The Dynatron LGA4189 Copper Heatpipe Heatsink relies on active airflow. It specifies 23CFM airflow to push air through its fins. This requires a fan to operate effectively. The MITXPC Threadripper EPYC Passive 2U Heatsink is a passive unit. It has no fan and relies entirely on case airflow or external vents. Passive designs are quieter but depend on your server chassis airflow. Active cooling offers more direct heat removal via the specified CFM. You need to decide if your case provides enough passive airflow or if you need the dedicated 23CFM push.
Thermal Design Power
Heat dissipation capacity varies between these two units. The Dynatron LGA4189 Copper Heatpipe Heatsink supports up to 270W TDP. This higher rating suggests it can handle more intense thermal loads when paired with the specified airflow. The MITXPC Threadripper EPYC Passive 2U Heatsink supports up to 180 Watts. This lower limit aligns with its passive nature. If your CPU generates heat closer to 270W, the active LGA4189 unit is better suited. If your processor stays under 180W, the passive A34 is sufficient. The 90W difference is significant for high-performance server workloads.
Physical Dimensions
Size constraints matter for 2U server chassis. The MITXPC Threadripper EPYC Passive 2U Heatsink lists specific dimensions: 4.45 inches in length, 3.15 inches in width, and 2.52 inches in height. These measurements confirm its 2U form factor. The Dynatron LGA4189 Copper Heatpipe Heatsink does not list exact dimensions in the provided data. It only mentions it is an aluminum heatsink with copper heatpipes. Without precise measurements, you cannot verify if it fits your specific slot. The A34 gives you clear spatial data for planning your build.
Thermal Paste
Both products include pre-applied thermal interface material. The Dynatron LGA4189 Copper Heatpipe Heatsink comes with pre-printed Shin-Etsu 7762 Thermal Grease. The MITXPC Threadripper EPYC Passive 2U Heatsink features pre-applied Shin-Etsu 7762 Thermal Paste. The compound is identical in both cases. This ensures consistent thermal transfer from the start. You do not need to purchase separate paste for either unit. This is a neutral point where both products offer the same convenience and material quality for your installation.
Which one should you buy
Intel Ice Lake server builder
You need a cooler for Intel FCLGA4189 processors. This unit supports up to 270W TDP with 23CFM airflow. It uses an aluminum base with copper heatpipes for efficient heat transfer. The captive mounting sets ensure secure installation. It comes with pre-printed Shin-Etsu 7762 thermal grease for immediate use.
AMD Threadripper or EPYC user
You are building a system with AMD Threadripper or EPYC CPUs. This passive heatsink fits sTRX4, TR4, and SP3 sockets. It handles up to 180W of heat dissipation without fans. The aluminum stacked fins and heatpipes provide reliable cooling. Its compact 2U dimensions fit standard server chassis perfectly.
Passive cooling enthusiast
You prefer silent operation and do not want fan noise. This model is a passive heatsink, meaning it has no moving parts. It relies on aluminum fins and heatpipes to dissipate heat. This design is ideal for environments where silence is critical. It supports AMD sockets with a maximum TDP of 180W.
The products compared
Dynatron LGA4189 Copper Heatpipe Heatsink
Best for: Intel FCLGA4189 passive 2U server cooling
- Socket Compatibility
- FCLGA4189
- Material
- Aluminum Base, Copper Heatpipes
- Mounting Type
- Captive Mounting Sets
View on Amazon: Dynatron LGA4189 Copper Heatpipe Heatsink Affiliate link
The MITXPC Dynatron N2 is an aluminum heatsink with copper heatpipes designed for Intel FCLGA4189 sockets. It supports up to 270W TDP with 23CFM airflow. The unit features a stacked fin design and includes pre-printed Shin-Etsu 7762 thermal grease. It uses standard Intel captive mounting sets. This cooler suits you if you need a passive 2U solution for server workloads.
Pros
- Copper heatpipes for efficient heat transfer
- Supports 270W TDP at 23CFM
- Pre-applied Shin-Etsu 7762 thermal grease
- Compatible with FCLGA4189 sockets
Cons
- Passive design requires external fans
- Limited to Intel LGA4189 sockets
- Aluminum base may limit peak performance
Good fit if
- You need a 2U server cooler
- You use Intel Ice Lake or Cooper Lake CPUs
- You prefer pre-applied thermal paste
Skip if
- You use AMD Threadripper or EPYC
- You need active cooling without external fans
- You require compatibility with TR4 or SP3 sockets
Verdict: MITXPC Dynatron N2 LGA4189 Copper Heatsink fits you if you need a passive 2U cooler for Intel FCLGA4189 processors. It is not suitable for AMD Threadripper systems.
MITXPC Threadripper EPYC Passive 2U Heatsink
Best for: Silent 2U 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 MITXPC Dynatron A34 is a passive heatsink for AMD Threadripper and EPYC processors. It handles up to 180 watts of heat dissipation. The unit uses an aluminum base with stacked fins and copper heatpipes. It comes with pre-applied Shin-Etsu 7762 thermal paste. Its dimensions are 4.45 x 3.15 x 2.52 inches. This 2U server cooler is designed for systems requiring silent, fanless operation.
Pros
- Passive cooling for zero noise
- Supports SP3, TR4, and sTRX4 sockets
- Handles up to 180W TDP
- Pre-applied Shin-Etsu 7762 thermal paste
Cons
- Passive design requires strong case airflow
- Limited to 180W heat dissipation
- 2U form factor restricts case compatibility
Good fit if
- You need silent cooling for Threadripper or EPYC
- You have a server case with strong airflow
- You are building a 2U system
Skip if
- You need active fan cooling
- Your processor exceeds 180W TDP
- You are using Intel LGA4189 sockets
Verdict: The MITXPC Dynatron A34 Passive Heatsink is a solid choice for users building silent 2U servers with AMD Threadripper or EPYC CPUs. It fits those who prioritize noise-free operation and have adequate case airflow.
Specifications side by side
| Spec | Dynatron LGA4189 Copper Heatpipe Heatsink | MITXPC Threadripper EPYC Passive 2U Heatsink |
|---|---|---|
| Socket Compatibility | FCLGA4189 | sTRX4, TR4, SP3 |
| Material | Aluminum Base, Copper Heatpipes | Aluminum, Heatpipes |
| Server Height | not stated | 2U |
| Cooling Method | not stated | Passive |
| Dimensions | not stated | 4.45" x 3.15" x 2.52" |
| Mounting Type | Captive Mounting Sets | not stated |
| System Type | not stated | Server |
Frequently asked questions
Can I use the Dynatron LGA4189 on AMD Threadripper?
No, you cannot. The Dynatron LGA4189 Copper Heatpipe Heatsink is designed exclusively for Intel FCLGA4189 sockets. It is not suitable for AMD Threadripper systems. You must choose the Dynatron A34 for AMD Threadripper or EPYC platforms. Using the wrong cooler will result in incompatibility and potential hardware damage.
What is the main difference between these two coolers?
The primary difference is socket compatibility and target platform. The LGA4189 model supports Intel FCLGA4189 processors. The A34 model supports AMD SP3 sockets for Threadripper and EPYC CPUs. Both are passive 2U heatsinks, but they serve entirely different processor ecosystems and cannot be swapped between them.
Are both coolers passive designs?
Yes, both units are passive heatsinks. They rely on case airflow rather than built-in fans for cooling. The A34 is explicitly described as a passive solution for silent operation. The LGA4189 model also functions as a passive heatsink, requiring adequate external airflow to dissipate heat effectively from the copper and aluminum construction.
What materials are used in the Dynatron A34?
The Dynatron A34 uses aluminum construction. Specific dimensions are 3.15 inches in width, 2.52 inches in height, and 4.45 inches in length. The data confirms its system type is a server. It is built for silent 2U AMD Threadripper and EPYC server environments without active fan components.
Does the LGA4189 cooler work with EPYC processors?
No, it does not. The Dynatron LGA4189 is built for Intel FCLGA4189 sockets found in Ice Lake and Cooper Lake platforms. EPYC processors use AMD sockets, such as SP3, which require the Dynatron A34. These platforms are distinct, and the LGA4189 cooler will not fit or function with AMD EPYC CPUs.
Is the Dynatron A34 suitable for a silent build?
Yes, it is an excellent choice for silent builds. As a passive 2U heatsink, it has no moving parts to generate noise. It is specifically recommended for users prioritizing noise-free operation in AMD Threadripper or EPYC servers. You must ensure your case provides adequate airflow to maintain safe operating temperatures without fan assistance.