[1]

For those looking for a heatsink fan to cool a custom build of an Ampere Altra / Altra Max server or workstation, the ARCTIC Freezer 4U-M ends up being a very potent option that offers similar performance to more expensive Ampere Altra heatsinks while providing similar performance.

[2]

There are few retail heatsinks readily available at Internet retailers for Ampere Altra and Ampere Altra Max processors, especially ones that are designed for 4U servers/workstations and designed to operate at a respectable fan noise level especially for workstations... One of the first and most well known after-market Ampere Altra heatsinks is the Noctua NH-D9 AMP-4926 4U, but the downside there is that it retails for around $130 USD. ARCTIC Cooling recently introduced a Freezer 4U-M Ampere heatsink with Ampere Altra compatibility for around half the price of the Noctua heatsink.

[3]

The ARCTIC Freezer 4U-M Ampere fits within 4U rackmount server cases or other workstation enclosures, features eight heatpipes, aluminum fins, and dual 120mm PWM fans in a push-pull configuration. The PWM fans are rated for 40 dBA noise level and 71.90 CFM airflow while spinning up to 2300 RPM.

With dimensions of 160 x 141 x 211 mm it's compact enough to fit two of them within most ATX dual socket server motherboards if desired. At least with the ASRockRack ALTRAD8UD-1L2T motherboard used for testing, it didn't pose any problems blocking any of the DDR5 memory slots either.

[4]

ARCTIC also makes a Freezer 4U-M variant that is compatible across not only Ampere Altra processors but also Intel Xeon and AMD EPYC/Threadripper workstation/server processors too. In fact, the Ampere heatsink model still includes mounting brackets for LGA-4189 / LGA-4677 and AMD SP3 CPU sockets.

[5]



[1] https://www.phoronix.com/image-viewer.php?id=arctic-freezer-4u-m-ampere&image=arctic_4um_1_lrg

[2] https://www.phoronix.com/image-viewer.php?id=arctic-freezer-4u-m-ampere&image=arctic_4um_2_lrg

[3] https://www.phoronix.com/image-viewer.php?id=arctic-freezer-4u-m-ampere&image=arctic_4um_3_lrg

[4] https://www.phoronix.com/image-viewer.php?id=arctic-freezer-4u-m-ampere&image=arctic_4um_4_lrg

[5] https://www.phoronix.com/image-viewer.php?id=arctic-freezer-4u-m-ampere&image=arctic_4um_8_lrg