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Antec Khler H2O 920 Series 4 High Performance Liquid CPU Cooler

Stock Code: HS-006-AN
Manufacturers Code: 0-761345-77086-6
Write a ReviewCustomer Rating:Average rating of 5.0

Socket Compatibility: 1150 / 1155 / 1156 / 1366 / 2011 / AM2 / AM2+ / AM2+ / AM3+


10+ in stock for immediate despatch

£70.50 inc VAT
£58.75 ex VAT

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BrilliantI love this water cooling system but i bought the black Apache fans straight away which are uber silent and on extreme fan settings i can only hear my power fans and hhd drives.
Got my AMD 8350 to 4.5Ghz for now and my temp is never above 39 c, really pleased with this product.
17/01/2013

Quality piece of kitinstalling was a bit of a hassle, probably more due to the fact that I am running out of space in my case.
once installed CPU doesn't really go about 60C
Though would highly recommend installing the Akasa Apache Black fans as the stock ones are a little louder than I was used to
09/02/2013

Showing Reviews 1 - 24 of 24

Pages: 12    Reviews per Page: 122448allSort by: 
  • Arthur17.01.2013 | 13:13

     

    BrilliantI love this water cooling system but i bought the black Apache fans straight away which are uber silent and on extreme fan settings i can only hear my power fans and hhd drives.
    Got my AMD 8350 to 4.5Ghz for now and my temp is never above 39 c, really pleased with this product.79 User found this Review usefullHelpful Review? Yes

  • Elliott09.02.2013 | 12:05

     

    Quality piece of kitinstalling was a bit of a hassle, probably more due to the fact that I am running out of space in my case.

    once installed CPU doesn't really go about 60C

    Though would highly recommend installing the Akasa Apache Black fans as the stock ones are a little louder than I was used to77 User found this Review usefullHelpful Review? Yes

  • Bart28.11.2011 | 14:39

     

    Great CoolerFirst one had the dreaded pump click, I went to see OC.uk in person and they changed it without any hesitation, the replacement is as quiet as a mouse, and incredibly good at cooling my i7 setup. I must thank OC.uk for a fantastic service that is second to none.73 User found this Review usefullHelpful Review? Yes

  • scooby keatsy12.07.2011 | 19:34

     

    greathad more fun playing with this than cod ive got it on custom settings cooling my 1100t oc 3.9 (mid 30's idle...low 40's load) fans on about 40% can hardly hear them but full tilt is silly loud but they are moving some crazy air, got asus crosshair 5 board am3+ bracket included unlike the corsair h60 i sent back , this a tad more expensive yes but really is awesome i love it and the led is a nice touch, software is a breeze win 7 64bt no bugs to report go ahead and get 1 very nice kit very very pleased i got this , now im off for another play with the led colours and fan speeds all from the desktop woooooooo69 User found this Review usefullHelpful Review? Yes

  • Ming06.12.2011 | 23:49

     

    WowI decided with my new build to go that extra mile and try out a water cooler. The idea of water and electronics always baffled me but I thought I'd give it a go.

    Installing the unit wasn't hard but wasn't easy either. The instructions aren't the best and I actually had trouble getting the fan to actually work right.

    Sent a support ticket to Antec and they go back to me in less than 24 hours. I followed their steps (which should be in the manual)! And et voila! I have a cooled system that I can't even hear!

    It's amazing how much of a difference in sound air coolers and water coolers have!

    I'm now totally sold on water coolers!69 User found this Review usefullHelpful Review? Yes

  • mark01.11.2011 | 12:20

     

    brilliantI love this cooler it has taken 10 degrees off the temp of my 8 core bulldozer i would recommend this to everyone68 User found this Review usefullHelpful Review? Yes

  • Simon07.09.2011 | 18:39

     

    Amazingi am so happy i have bought this cooler, my hex core amd 1090T is just perfectly cooled, nothing more to say! just buy one :)67 User found this Review usefullHelpful Review? Yes

  • Steve26.08.2011 | 18:11

     

    Very nice cooler!I wanted something to cool my i7 920 and my previous cooler was not sufficient enough to reach the clocking speed I wanted. However this device is amazing and keeps my CPU temp nice and low at idle speeds. Running Prime95 clocked at 3.3GHz and my temps are at a steady 53C. Which is a lot better then my previous temp of 72C. Fans at full speed are a little noisy, but that's a small price to pay then having a toasted CPU.66 User found this Review usefullHelpful Review? Yes

  • Ben23.11.2012 | 14:40

     

    Top Notch CoolingWhat can I say, a top quality item - I've recently got back into the enthusiast scene and had never tried water cooling before.

    After having this unit recommended on ocuk forums, I swiftly ordered it and am glad I did.

    The quality of this self contained unit is excellent, it was already pretty cold before fitting and turning it on! Keeps my overclocked 3770k under 35 at all times.

    Only niggle is that in the package I received, the part that holds the retention ring and the heatsink together (once twisted together) was for some reason separated from the ring. There is no reference to it in the instruction manual so it took a while to figure out how to clip it back on and hold the heatsink in place!66 User found this Review usefullHelpful Review? Yes

  • Mr Hill24.05.2011 | 22:40

     

    Simpley EPIC!This thing is quite frankly amazing! I have upped my over clock to 4GHz now on a i7 930 and have had Prime95 running for over an hour and the tempreature has not gone over 56 degrees Celcius at maximum load.

    The fans are a tad noisy at full tilt but during normal operations they are really quiet, my system is actually quieter now that I have removed the 2 stock rear Antec fans from my Antec 1200 case.

    If you are in the market for a AIO water cooler then I would strongly advise you to not look any further whatsoever! Now I ordered mine when the price was lower than it is now (currently 84.98 at the time of posting this review) now yes this is higher than the Corsair H70 (currently at 79.99 at the time of writing) but for the extra 4 you can not argue just how good this thing really is.

    As the title says... simply EPIC!63 User found this Review usefullHelpful Review? Yes

  • Ben06.08.2011 | 21:38

     

    AWESOMEThis product is awesome.

    My CPU is 12degrees idle and 19degrees under full load!!!!

    It's silent apart from a gentle hum and a bubbling sound similar to an aquarium. :)

    It is the best CPU cooler i've ever owned.63 User found this Review usefullHelpful Review? Yes

  • Godbins19.12.2011 | 21:33

     

    Got there eventuallybeen on and off speccing for a powerful silent build; one that would be silent for normal use then if under stress get a bit noisy to keep cool. Researched OC forums and was advised on this cooler. On silent mode I was advised it was silent. When I set it up it was fine then I decided to change the fans for some apache's. But when I powered the system on there was a bad grinding noise. Cutting long story short tried all sorts to restore quietness; rotating radiator 180, reseating pump, shaking rad while on!..almost RMA'd when I found a forum post where some one fixed it by lieing the PC flat for an hour. Not me. What did work was rotating the CPU pump 180's. So keep trying before throw the towel if you get the same issue. Cant fault it now. 4.8ghz idle 25/30 prime 24 hours 75/80 and quite quiet still with apaches but stock are 3000rpms, apaches 1500 but with good airflow.61 User found this Review usefullHelpful Review? Yes

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