Quick Summary
The ARCTIC Freezer 4U-M (Rev. 2) is a server CPU cooler with two 120 mm fans and fan speed control from 400 to 2300 rpm. It is listed for AMD and Intel server platforms, and the opening description also notes use in 4U and larger rack cases.
This cooler is positioned as a compact option for systems where space around RAM slots matters, and it is also described as compatible with dual-CPU motherboards.
Who It Is Best For
This cooler suits buyers building or maintaining a server system that needs a 4U or larger case fit, dual-CPU motherboard support, or listed AMD and Intel server socket compatibility. It is also relevant if you want a solution that is meant not to disrupt nearby RAM slots.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | ARCTIC. |
| Model | Freezer 4U-M (Rev. 2). |
| Product type | Server CPU cooler for rack or server builds. |
| Fan count | 2 x 120 mm fans for cooling the CPU area. |
| Fan speed | 400 to 2300 rpm, giving a stated operating speed range. |
| Compatibility | AMD: SP6, sTR5, SP3, TR4, sTRX4, sWRX8; Intel: LGA4189, LGA4710, LGA4677. |
| Case fit | Listed for 4U and larger cases. |
| Installation items | Thermal paste and pre-installed mounting brackets are included. |
| Fan control | PWM control is mentioned for performance adjustment. |
What To Know Before You Buy
Check the listed socket compatibility carefully before ordering, especially if you are comparing AMD and Intel server platforms. The cooler is also presented for 4U and larger cases, so case height and internal space should be reviewed against your build.
The compatibility note for Ampere ALTRA and ALTRA Max states that an additional Ampere Kit is needed for out-of-the-box use, and an alternative version with an integrated kit is also mentioned.
Common Buyer Questions
Which sockets does it support?
It is listed for AMD SP6, sTR5, SP3, TR4, sTRX4 and sWRX8, plus Intel LGA4189, LGA4710 and LGA4677.
Does it suit a 4U rack case?
Yes, it is described for 4U and larger cases.
What is included for installation?
Thermal paste and pre-installed mounting brackets are mentioned.
Is Ampere ALTRA compatibility built in?
No out-of-the-box compatibility is stated for Ampere ALTRA and ALTRA Max, and an Ampere Kit is noted as the route for use.
Final Buying View
If you need a server CPU cooler for a supported AMD or Intel socket and a 4U or larger chassis, the Freezer 4U-M (Rev. 2) gives a clear fit target. Confirm your socket, case space and any Ampere Kit requirement before choosing the final configuration.
