Alphacool Eisbaer Pro ES 2U Quad HPE CPU Liquid Cooler Review




/ 1 year ago

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A Closer Look

The radiator is surprisingly massive given it’s only 80mm wide, but as you can see, it’s also incredibly thick too. There’s a lot of copper here, so whatever size it is, it’s most certainly very heavy too.

The tubing fits onto the end, which extends the width a little more, but again, this is designed to fit in a 2U unit, and servers are a standard width anyway, so that shouldn’t be an issue.

It’ll hold four 80mm fans, which basically makes the radiator opening 320mm long, so that’s a pretty sizeable surface area, a little smaller than a 2 x 120mm (240mm) radiator would be, but it’s also about triple the thickness.

Furthermore, the fans can be mounted on either side. I doubt you’ll need to do push-pull on this though, as the fans that are included are quite powerful.

The cooling plate is nicely polished, but it is also freaking massive. Of course, if you’re fitting this on the flagship Intel or AMD workstation CPUs such as Epyc or Threadrippers, you’ll be needing a block this size; My number i9-12900K shouldn’t be too much trouble for it.

Since this is meant for server trays, the tubing comes off the pump horizontally, as the pump will be laid parallel to the radiator.

The tubing is thick, there’s a reservoir built into the larger pump design, and everything is pretty much ready to rock. There’s no RGB or other nonsense, just a pump header, and you’re good to go.

There is a fill port on the top should you need to top it up or even drain it. Furthermore, while it is assembled, it’s all custom loop fittings, so you can remove tubes, add to the loop, maintain it, and really do whatever you need to.

The fans are little monsters, 80mm they may be, but these can spin up at 6000 RPM. Why so powerful? Well, if you need to get air all the way from the front to the back of a deep server rack, you need some serious airflow, and these will most certainly deliver.

Just don’t expect them to be quiet, at all.

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