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Versatile Multicompatible Server Cooler
The Freezer 4U-M stands as a multi-compatible server cooler, boasting an expansive contact surface and an enhanced mounting mechanism. It now offers compatibility with a wide range of Intel and AMD server processors, including Intel's LGA4189 and LGA4677, as well as AMD's SP6, SP3, sTR5, TR4, sTRX4 and SWRX8 sockets. Remarkably, despite its impressive cooling capabilities, the Freezer 4U consumes a mere 2.88 watts, ensuring exceptional efficiency in cooling even the most powerful processors with up to 96 cores and a TDP of up to 350 Watts.
RAM Compatibility and Clearance
The Freezer 4U offers a spacious 53 mm of RAM clearance, allowing for the use of memory sticks with moderate heatsinks.This clearance allows efficient airflow and enables compatibility with different RAM variants.
Compact Design and Dual Socket Compatibility
With an optimised installation height of only 145 mm, it fits into both classic 4U server racks and most consumer 4U cases available on the market. The Freezer 4U features a compact design with dimensions of just 156 x 124 mm. This also makes it suitable for dual-socket motherboards. To adjust the airflow direction if required, the fans can be easily swapped over.
Powerful Fans in Push-Pull Configuration
The installed PWM fans benefit from all the advantages of the award-winning P series. Designed for static pressure, the fans are ideal for the Freezer 4U-M's high fin density and provide efficient heat dissipation in push-pull mode, even in power-hungry applications. Especially office workstations benefit from the quiet fans. The dual configuration also allows for inherent redundancy and protects the system from total shutdown caused by heat.
Designed for continuous operation
Both fans of the Freezer 4U-M are equipped with dual ball bearings, which allows for 24/7 continuous operation without the slightest compromise in performance. This type of bearing is much more resistant to defilement and wear caused by high temperatures than conventional sleeve bearings or Fluid-Dynamic bearing and is therefore the perfect choice if you want to ensure fault-free continuous operation.
Premium Thermal Paste Included
The Freezer 4U-M comes with MX-6 thermal paste. ARCTIC's Ultimate Performance thermal paste reduces the heat build-up between the heatspreader of the CPU and the cooler. The thermal paste is neither conductive nor capacitive and therefore absolutely safe to use.
WeegeeNumbuh1
Reviewed in the United States on January 30, 2025
Needed something while I waited for watercooling parts for a Threadripper build and didn't need anything premium like a Noctua.The 4U-M (and as of this review supplanted by the 4U-M Rev. 2) works well, easily handling a constant 300W socket draw, and could maintain 350W as long as the cooler has access to cool fresh air. I could even maintain a slight overclock at 380W power if I cranked the fans to max.As for the fans, they are fine, as they're similar to the Arctic P12's, but adapted for this cooler.Arctic also provides 3D models for printing if you choose to use other standard fans for this.The heat pipe contact could use a little more coverage; photos in this review show the exact contact patch on a Threadripper CPU. It is adequate and as previously mentioned it handled the stock TDP of the processor without issue.All of this cooling for $55!
Customer
Reviewed in Canada on January 13, 2025
upgraded from an old dell r720 to a mid-tower build epyc 7551, this cooler seems effective and is wildly quieter than the old rack mount server.
johnny d o
Reviewed in Germany on September 16, 2024
easy to assemble and disassemble.i use it on a Threadripper 3995wx,CPU stress test for 3 hours reached 59 degree Celsius having 27 degree Celsius room temperature.
neilg
Reviewed in the United Kingdom on May 3, 2024
Got an Epyc you want cooling? Get this cooler. It’s the right orientation, it’s easy to fit and it’s quiet.
Cameron T.
Reviewed in the United States on December 26, 2024
I bought this cooler so I could fit my EPYC build into a 4U Rosewill rack mount case. Previously, I had the server installed in a full ATX tower Fractal Design Define 7 XL case. There's significantly more clearance in the tower case than the 4U so I needed something that could cool effectively and was slimmer than my previous cooler. I've been happily running the cooler for the past few months without any issues and it keeps my 32C/64T EPYC 7452 performing well.
AAA
Reviewed in the United States on November 28, 2024
It works, to my surprise, very well with an overclocked threadripper pulling 400w. But the cold plate design is bad. Thermal paste gets stuck between the heat pipes and is difficult to clean. This also affects cpu coverage, which could be improved with a better design.
Matthew Cooke
Reviewed in Canada on November 21, 2024
Awesome cooler. I wish the fans were separate from the mounting brackets, although they do provide files to 3D print adapters for other fans. On our board, the right fan interferes with the memory, so we printed a bracket and put an Arctic slim fan in its place!
Brandon R. Foster
Reviewed in the United States on November 11, 2024
Excellent value for the money. Keeps AMD 7551 around 47-48c. Pretty silent and best of all fits in a 4u case. Very sturdy cooler. Great airflow and performance.
...
Reviewed in the United States on October 20, 2024
I've purchased two of these. One was used for an Epyc server and the other for a Threadripper workstation.It works really well when fans are in a front to back configuration, like a RomeD8-2T board. However, when installing onto a SP3/TR4 that has a top/bottom fan orientation (like a x399 board), it will likely block your first PCIe slot. Also, if you have a VRM heatsink installed on the board, it will likely make contact. You can move the fan up some to clear it (depending on your chassis) or remove the VRM heatsink, but these options are not optimal at all. Even with that done, you may not be able to close your case.The main issue with all of this is the thickness of the fan shrouds. Since the fans and cooler are a proprietary design, replacing the fans isn't as simple as throwing on a couple 120MM. You'll need to get creative with zip ties or other methods for attaching other fans.That said, when it fits properly, it works great.
Anon
Reviewed in the United States on January 11, 2024
Installation for sTR5 was a little unintuitive (since I didn't watch the guide first) but once I figured out how the screws needed to be installed through the mounting bracket and into the heatsink it was a breeze. The adjustable fans really help with ram/vrm fan clearance too, this cooler fits my Asrock trx50 ws perfectly with just the front fan shifted up 3 or 4 cm.Overall, this is a great heatsink at a competitve price
DG
Reviewed in the United States on January 10, 2024
It does not fit, after installing the cooler i slide the fans into place and .... clunk, the bottom of the fan that mounts near the back of the motherboard / case hits the shroud on the motherboard heat sink at the back of the mother board, they needed to make the cooler stand about a 1/2 inch taller to provide clearance, even if the motherboard head sink shroud was not there it would still hit the two little fans beneath. It is still usable but not as intended, I hope it provides adequate cooling ,
Wilson
Reviewed in the Netherlands on April 2, 2024
Extremely well cooling my system, only my case won't close, and dust was building up pretty fast. It could be perfect at 100mm tall or some...
Anton
Reviewed in the United States on December 21, 2023
This is a great 4U cooler that has a proper orientation for the SP3 socket. Installation is easy. Fans are quiet.
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