Conclusion

Finding the right balance between cooling performance and noise is definitely a challenge. While traditional air-coolers continue to grow in size and weight to deal with this problem, Corsair fights it from a different angle with liquid. All of the Hydro Series coolers tested today are perfectly adequate at keeping our overclocked Sandy Bridge system cool. Picking a cooler that's right for you basically boils down to cooling performance, what noise level is acceptable, the price you're willing to pay, and compatibility. Corsair did a great job with these coolers in providing many different options to cover a variety of needs.

The H100 provides excellent cooling on the high setting at the expense of noise. This could potentially give you the extra cooling for when you need to crank up the clock speed to try and beat your friend’s score in the latest benchmark (or whatever it is you’re doing). Thanks to the built-in fan controller, you can choose medium or low speed for reduced noise on your day to day overclock. The only major downsides to the H100 are the limited amount of cases that are compatible, and of course, price.

With the H80, you get great cooling with the same ability to turn the fan speeds up or down depending on your needs. The performance penalty compared to the H100 is easily made up in case compatibility and price. With its push/pull design, even the H80 on low speed is a reasonable contender for most needs. You may be wondering why I mention price here when there's a mere $10 difference between the H80 and H100. Compatibility is probably the number one factor in deciding between the two; however, with sites like Newegg listing the H80 at $93.99, price difference becomes more considerable.

The H60 may not be the coolest kid on the block, but it is a good, cheaper alternative to the H80. The H60 doesn't come with a second fan for push/pull or have the built-in fan controller, but the price is much lower. For those with a limited budget and/or need for a cooler with a low foot print, the H60 might be up your alley. Keep in mind, the H60 is still adequate enough in cooling our overclocked test system.

One final area to discuss is how these liquid-coolers compare to a high-end air-cooler. We included the Thermalright Silver Arrow in our results, and it’s one of the best performing air-coolers on the market—with a price and size to match. In terms of performance and noise levels, the Silver Arrow is probably the best option out of the tested coolers. You can pick one up for around $75 online, which is only slightly more than the Corsair H60 and about $18 less than the Corsair H80; the Corsair H100 is the most expensive, but even then you’re only looking at around $100. What you get for the additional $15-$30 isn’t always better performance, but installation of the Corsair water block is substantially easier than that of the Silver Arrow—and that’s assuming you have a motherboard and case with sufficient clearance to begin with. There’s also the lingering question of whether it’s a good idea to have 1.2kg of weight hanging from your motherboard. Considering all of this, while coolers like the Silver Arrow can certainly be competitive, there’s still plenty of reason to consider Corsair’s Hydro series coolers.

Do any of these Corsair coolers give us the perfect balance of performance and noise? If one cooler stood out against the rest, it would have to be the H100. With its amazing cooling ability, built-in fan controller, and the option of adding two more fans for push/pull, I think Corsair has covered almost every possible situation with this one cooler. You get great cooling performance and low noise, though not at the same time. All of this greatness does come at a pretty steep price, leaving room for the H80 and H60. With high-end air-coolers delivering near-H100 performance at a lower price, it's definitely a hard sell, but the H100 still easily gets our recommendation as a more versatile cooling solution. Just remember to pair it up with an appropriate case.

Noise Results
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  • Samus - Wednesday, November 9, 2011 - link

    I thought I'd chime in on some research I've done.

    The pump on the H50 is rated at 220lph
    The pump on the H60 is rated at 180lph
    The pump on the H80/H100 is rated at 220lph

    So anybody in the market for the 'economy' water cooling solution is far better off with the older H50, which also has a thicker radiator (same radiator as the H80)

    Liter-per-hour ratings can be found as Asetek's site. They are the OEM for these kits.
  • james.jwb - Thursday, November 10, 2011 - link

    Most air coolers do a very fine job these days, what I'd like to see is a water cooler for GPUs because the stock or third party models at the moment are poor. If you want low noise, none of them do a good job.

    Make a decent closed water cooler for GPUs!
  • alown - Friday, November 11, 2011 - link

    Would have been nice if they could have compared it to the H70 I own.
  • DJShadow - Friday, December 2, 2011 - link

    I'm surprised there isn't a review of the Antec Kuhler models.
  • westh2o - Wednesday, December 28, 2011 - link

    I wish someone would have told me how friggen loud this thing was. OMG I couldn’t stand it anymore. I just finished replacing the Stock Corsair fans with 2 Noctua NF-P12's. What a HUGE difference!!! My system is super quiet now..... After spending over $100 and now I need to spend another $20 buck is not cool in my book!
  • davele - Tuesday, January 10, 2012 - link

    Thanks was a useful article. But would be much better if it considered the newer x79 systems.
    1. The newer i7-3960, 3930 chips have a thermal output of 130W. This is way higher than many SB OC systems. And only gets worse if you OC it. So it would be useful to see what Coolers can handle that kind of thermal load.
    2. The LGA2011 die size is larger, so handy to know which coolers can fit over its surface efficiently.
    3. It would be useful to know which coolers actually have sufficient clearance to function without compromising the use of your system. ie You can still populate all 8 RAM slots & actually use the 1st PCI slot.
    Eg: Can Corsair style 52mm high RAM fit? Do you need to drop to 40mm G.Skill sized RAM or are you unable to use the 1st RAM slot at all. Similarly the 1st PCI slot is often designed to run fastest. With the other slots share the bandwidth if you populate with more cards.
    While I suspect most of the popular Air Coolers (ie: ThermalRight, Noctua) will not fit correctly, which may force you to choose a Water Cooled system.
    It would be really useful to know the facts.
  • Rag1ngR1ce - Saturday, January 21, 2012 - link

    i got my h60 for 30$ on boxing day after MIR, what a steal. How ever, my first one leaked and I
    had to return for a new one. I dont think any 30$ heatsink is better than the h60
  • mach2plus - Monday, January 23, 2012 - link

    Hi folks. Just last week I attempted to mount a new Corsair H100 in a new Rosewill Blackhawk Mid-Tower, and no matter how I tried to manipulate things, I just couldn't get them to mate... And while my configuration is just that, mine, I believe the generalities that I am about to write about may help others understand more about the H100, and case/motherboard compatibility issues that you may need to consider.

    So, for accessibility, I first removed the top of the Blackhawk case, and then removed its preinstalled 140mm fan. (BTW, I had premeasured everything beforehand, and I knew that there was probably going to be a problem, but tried fitting it in anyways...) I then mounted the H100 radiator inside the case, without its two fans, on the very top of the case, where the 140mm fan use to be. Using the hardware provided by Corsair, I loosely screwed in the 8 screws. DING, FIRST PROBLEM: Fortunately, I had seen that the Corsair screws appeared too long, and that if I were to have torqued them down securely, all 8 screws would have definitely damaged the H100 radiator fins (though not the actual piping with the coolant, as best as I could tell, but why chance it?), so be forewarned about this.

    I then loosely mounted my new, unpopulated, Gigabyte GA-Z68XP-UD3 LGA1155 onto the provided stand-offs, and DING, SECOND PROBLEM: The hardware provided by Rosewill to mount the Mobo to the standoffs is the type that have raised ribs on the underside of the screwhead, used to "dig into" the solder on your Mobo, and the copper tracing! A Newegg reviewer had pointed this out, so I was aware of the issue, but if you torqued these screws down securely onto your Mobo, you will damage the copper tracing, so go out and get yourself some better quality hardware, without ribs, if you want to save your Mobo. You'll get the same connectivity, without damaging the mobo.

    So, now the real fun began, as I tried to ever so carefully attach each of the H100 fans to the underside of the H100 radiator. I was just barely able to physically mount the first fan, the rearmost, to the underside of the radiator (Corsair provides the hardware for doing this), but DING, THIRD PROBLEM: the fan (not the radiator) physically blocked my Gigabyte Mobo's SYS Fan1 connector. While this in itself can obviously be worked around, DING, PROBLEM FOUR: I couldn't even physically mount the forward H100 fan to the H100 radiator because all four of the upper DDR3 1-4 memory socket retaining clips were in the way, in a big way! In addition, even if I was able to mount the H100 fan, it would have completely blocked my Mobo CPU FAN connector, much like the rear fan had blocked the SYS Fan1 connector.

    Now, remember, my Mobo was unpopulated at the time, and the memory sockets were empty, so even if your particular case/mobo combo could provide sufficient space for the H100 fan, you still have to remember to consider that your memory may have cooling fins attached to it, which may prevent you from attaching the forward fan. Just a consideration.

    Other thoughts. My new Blackhawk Case was damaged on arrival, so it was RMA'd and I'm awaiting its replacement. I reaally liked the Blawkhawk case, so I am now considering using a Corsair H80 cooling system, versus the H100, and mounting the H80 where the Blackhawks rear 120mm fan comes pre-installed. That, or I'm considering mounting just the H100 radiator inside of the Blawkhawk case, at the very top (per the above install that I had problems with), and then mounting the two H100 fans on the outside top of the Blawkhawk case, directly above the H100 radiator, and on top of the Blawkhawks upper case mesh. My concerns with this arrangement obviously are how this setup might alter the H100's cooling potential.

    I hope some of this info helps those of you who are considering getting a non-stock cooling system, be it water or air.

    Best regards -- Bob

  • qwopqwop - Wednesday, August 29, 2012 - link

    in this case picture the inner radiator fan is mounted in the wrong direction, it is blowing the heat from the radiator into the case, you need to switch the fan direction around (and possibly do the review over again).

    http://images.anandtech.com/doci/5054/h80-installe...
  • erroll1906 - Monday, September 10, 2012 - link

    Hi everyone bought my H100 today and if you want to do a push pull configuration,you need more screws.The screws come as a english thread 6/32 unc x 1 1/4 Long.Which ain't easy to get hold of.There are quite a few complaints that the screws are too long crushing the fins on the radiator.I have a solution for you.I worked for a fastening company so I know this works.I used M3x30mm Steel Button Head Screws with washers as the thread pitch are nearly the same as each other.Excellent fit as the screws are 2mm shorter than the others.

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