Silent Running Performance

There was a tremendous amount of data on the previous page; we need to make it easier and condense it into more readily useful information. So we'll start by culling all of the test results where the coolers had to run at higher than 34dB, leaving us with a healthy cross-section of quieter cooling solutions.

Load Temperatures (Sub-34dB Load)

This is where Swiftech makes their move. The H220 offers essentially the best low noise performance out of all of the coolers we've tested. Unfortunately, load noise takes the Cooler Master Seidon 240M out of the equation at any level; even with PWM enabled, the 240M went up to 38dB.

You'll also notice that while the top four positions are held by closed loop coolers, air cooling essentially makes its comeback here as a quieter solution overall. The air coolers we've tested are all, outside of SilverStone's HE-01, designed to be silent, so this isn't a surprise. The surprise is more that closed loop coolers running at quiet settings are having a much harder time competing.

Load Temperatures (Lowest Noise)

Culling all of our data down to the lowest noise settings is even more interesting. Swiftech's H220 continues to do well, but the Seidon 240M sort of cheats: this may be its quietest, but it's still running at 38dB, 5dB higher than the more expensive H220. The NZXT Kraken X40 turns out to do much better in a push-pull configuration, though, and its noise level is just 31.2dB, 2dB quieter than the H220 in exchange for running about 2-3C warmer. The second fan turns the Kraken X40 into a dark horse contender and brings it into the overall conversation; adding the second fan doesn't actually increase load noise at the Kraken's silent setting, but it does bring thermals down by a healthy 5C.

Primary Test Results Absolute Performance
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  • epoon2 - Friday, April 26, 2013 - link

    wow that was fast, maker updated with editor's choice logo already btw
  • tsponholz - Friday, April 26, 2013 - link

    I don't understand why the Thermaltake WATER2.0 Series doesn't seem to make it to these lists. I have the Performer and love the performance and noise. The review I have seen (never in a round up) put it on top of the Antec and Corsair offerings.
  • karasaj - Friday, April 26, 2013 - link

    Any good places to get the NH-U12S in the US for that 65$?
  • Hrel - Friday, April 26, 2013 - link

    Man, that 30db noise floor is REALLY becoming a problem. You guys would CLEARLY get value/use out of better equipment. I would REALLY REALLY REALLY like to see that happen.
  • Razorbak86 - Friday, April 26, 2013 - link

    Feel free to make a contribution of said equipment to the site's standard test setup.
  • DanNeely - Saturday, April 27, 2013 - link

    When you're buying something to donate; keep in mind getting ambient noise levels much below 30db is easier said than done and an anechoic chamber large enough not to turn into a hotbox during testing isn't going to be cheap.
  • TrackSmart - Friday, April 26, 2013 - link

    Great review. Kudos to Cooler Master for giving us cheapskates something to play with at $33 that will handle some significant overclocking, while also staying quiet. I've usually dismissed aftermarket coolers as being a poor return on investment for mid-range builds (i.e. it is more cost effective to spend the money on a beefer CPU than a bigger cooler). But $33 is a price point where it might make sense to invest in better cooling over a modestly higher-end CPU.
  • crimson117 - Friday, April 26, 2013 - link

    Not sure how you can give a bronze award to such an expensive item - price/performance value simply isn't there. It's 3-4 times more expensive than the Kraken X60 or Noctua but doesn't offer nearly that much improvement.
  • Razorbak86 - Friday, April 26, 2013 - link

    Huh? Where are you getting your pricing? o.O

    In the US, the Swiftech H220 is $139.99, and the Kraken X60 is $109.99. Maybe my math is a little rusty, but I calculate the price premium to be 27% higher (i.e., [$139.99-$109.99]/$109.99 = 27%). If it was 3-4x higher, it would be priced at $329.97-$439.96.
  • Treckin - Friday, April 26, 2013 - link

    Dustin! you promised to include the Antec Kuhler pieces in your closed loop reviews!

    Hope thats still planned!

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