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AIO Watercooler Challenge – 6 Way Round-up

The second cooler from Corsair, the H100i V2 retails at £107.99.

Corsair say ‘the Hydro Series H100i v2 is an extreme performance, all-in-one liquid CPU cooler for cases with 240mm radiator mounts.'


  • Intel™ LGA 1150, 1155, 1156, 1366, 2011, 2011-3
  • AMD™ sockets FM1, FM2, AM2, AM3
  • Radiator dimensions: 276mm x 125mm x 30mm
  • Fan dimensions: 120mm x 120mm x 25mm
  • Fan speed: 2435 +/- 10% RPM
  • Fan airflow: 70.69 CFM
  • Fan static pressure: 4.65 mmH2O
  • Fan noise level: 37.7 dB(A)

12 3 4

5 6 7 8

Again, the H100i V2 uses the same mounting process as the H80i V2 and the Arctic Liquid Freezer. It is simply a backplate, four standoffs and then four thumbscrews which lock the pump in place.

I must admit, the H100i V2 is certainly the best-looking AIO on test. The pump has an LED which can be configured via Corsair Link, while the radiator has a sleek, metallic grey strip running along it which looks very stylish.

Just as with the H80i V2, I did not use Corsair Link to test the H100i V2. Instead, both fans were plugged directly into the motherboard.




The H100i V2 comes in first in both tests today. This indicates very strong performance from the 240mm radiator, especially the overclocked CPU temperature of 69 degrees. The H100i V2 will definitely be able to keep your CPU in check no matter what sort of overclock you have got configured.

I found noise levels were about the same as the H80i. After-all, they have the same two fans and I am sure the pump technology is the same. This means the pump noise can be irritating at idle, and the fans are certainly noticeable at full speed.

Again, though, you will be able to configure a custom fan profile using the Corsair Link software. This would undoubtedly reduce fan speeds and noise.

You can currently pick one up from OverclockersUK for £107.99 HERE.


KitGuru says: The Corsair H100i V2 wins our ‘must have' award for topping the charts in both our performance tests. If you want an AIO to keep your CPU as cool as possible, the H100i V2 is the one to get.

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  1. Sadly missing the NZXT ones (and EKWB, but these barely ever get tested) and the main thing I’m missing is a table with the actual noise data. The Deepcool is very quiet and performs less good than the Corsair when the CPU is overclocked, but how much more noise does the H100i make in comparison to keep the temp lower?
    Would also be nice to have it tested based on dB, so we can see if we set the other cooler to a quieter mode/noisier mode and see if it then performs equally to the others.

  2. I have an H105 which I had to replace thanks to space issues. It was pretty damned quiet. And yes, I can attest to them being ridiculously cool, even at low fan speeds.

    This is the older model, mind you.

  3. Velibor Vrhovac

    You do that now go away from here and take your web money with you!

  4. I am trying to decide between the Corsair h100i v2 and Alphacool Eisbaer 240. I wish that the Eisbaer 240, Kraken x52, and Fractal Design S24 were tested against them too