Noise Results

Due to the built-in variable fan controller on the H80 and H100, testing the noise on these two coolers proved to be challenging. Our test system, even when overclocked to 4.8GHz, didn't generate enough heat to max out the RPM on the H100 high speed test. When plugged into a direct power source, the H100 fans were barely, but noticeably, louder than when powered by the controller on the high setting. We opted to power the fans as intended using the built-in fan controller, but it should be noted that these fans could be slightly louder if directly powered or used in a hotter system/environment. The H80 appears to hit max RPM on all tests, while the H60 is forced to 100% with it having the only PWM fan in the bunch.

Noise Levels - 4.8GHz (OC)

The H100 and H80 when set on low speed are neck and neck for the quietest coolers of the bunch, beating even the virtually silent Silver Arrow and Intel reference cooler. The H60 with its slower RPM fan barely edges out the H100 and H80 when they're set to medium. The H100 and H80 when set on high speed top the charts here, as we would expect. While the H80 and H100 sport the same fans, but the H100 comes in quieter. This is most likely due to our test system not being hot enough for the H100's fans to fully kick in.

Here we finally see the penalty for the excellent cooling capability of the H100 when it's running on high speed. As you can see, it's quite loud at this setting. Let's take a look at the noise graph again, but this time we'll overlay the temperature graph to get a better idea on how nose and performance are related.

Performance Comparison - 4.8GHz (OC)

For the most part, the better the performance, the louder the cooler. Ultimately, it's up to you to decide what the perfect balance of cooling performance and noise acceptance is for your particular situation.

Temperature Results Conclusion: Costly but Good
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  • Mjello - Monday, November 7, 2011 - link

    Mine is the old version with the bulky cooler/pump unit. May even be other make. I dont remember and don't care to open the computer to check. However its a dual 120mm fan radiator in a closed loop ready to use. Just as this one. And I don't think there is much diff. if any at all ;). I actually thought mine was the h100.
  • Gonemad - Monday, November 7, 2011 - link

    I am a bit concerned about systems that consider the placement of the Fan on top of the CPU to cool everything else around it, like the ram, and so forth. This radiator installation inside the case seems to help this unease feeling.
  • Mjello - Monday, November 7, 2011 - link

    I found that the power supply fan alone is creating sufficient airflow in the kabinet for cooling the motherboard components when there is no cpu fan. But I dont overclock in the extreme. And motherboards are not all the same.
  • Oberst - Monday, November 7, 2011 - link

    Hello,
    could you please also post the dimensions of the cooling unit (cooler, pump unit, fan controller)?
    That would be quite interesting for people mounting the radiator externally and putting the cooling unit through a fan hole ore something similar into the case onto the mainboard.
    As the price difference in Europe between the H80 and H100 is quite low (only about 9 Euros), i'm interested in upgrading my quite old case with a external mounted H100.
    k.r. Oberst.
  • haplo602 - Monday, November 7, 2011 - link

    I have a dual CPU system with 92mm coolers (no space for larger ones). However the case has holes on top for 2x140mm fans. Would to H60 radiators fit there next to each other ?

    I know I can do a better and cheaper open loop with one radiator and the CPU waterblocks in series, but I like the idea of cooling both CPUs as they needed and not as the more loaded one needs.
  • geniekid - Monday, November 7, 2011 - link

    This is definitely a niche product, even for enthusiasts. One of the biggest selling points of water cooling is to reduce fan noise, but it looks like the fans on these things aren't much quieter than the stock fan for low load usage (i.e. normal HTPC use). For gaming machines, the biggest noise offenders (in my anecdotal, personal experience) are usually the GPU and the power supply fans.

    Maybe if your goal is to overclock as much as possible with a cooling solution around $100, then this is for you, but I would have to see many more comparisons to air coolers and alternative water coolers before I'd be convinced of that.
  • kg4icg - Monday, November 7, 2011 - link

    Have no problems what so ever mounting the H100 inside a Corsair Carbide 400R case. 500 and 600 Carbides are the same way.

    [IMG]http://i445.photobucket.com/albums/qq175/kg4icg/te...[/IMG]
  • WT - Monday, November 7, 2011 - link

    I bought an H80 for my new build to cut down on the noise that my current air cooler (Nirvana NV120) created, and to that end it is an amazing difference, so I consider it a worthwhile purchase for what I wanted.

    As far as the directions, I agree that they are pitiful, and I even had to do a google search (Corsair tech support hours = Mon-Fri) to find out where the 4 included washers were to be mounted.

    I did end up replacing the 2 stock Corsair fans with Gentle Typhoon AP-15's, and I mounted them so that they blow out of the case rather than pulling air from outside as Corsair recommends.
  • Beenthere - Monday, November 7, 2011 - link

    There are plenty of quiet HSFs that perform as well or better than the Corsair CLCs and cost less. Having to spend more moeny for quiet fans makes a Corsair CLC an even worse value. The biggest liability with H2O cooling however is the damaged from leaks that can destroy hundreds of dollars in PC hardware and for what when there is no advantage to a Corsair CLC.

    Buy what makes you happy but don't buy the Corsair or other brands of CLCs for thermal efficiency, quietness, value or reliability because they suffer in these areas compared to a decent HSF.
  • pcfxer - Monday, November 7, 2011 - link

    And yet liquid cooling is still FAR too loud for any SPCR reader, that's for sure!

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