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Corsair Hydro H70 CPU Cooler Review

Author: AkG
Date: August 15, 2010
Product Name: Corsair Hydro H70 CPU Cooler
 
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Effects on In-Case Temperature


So now we know how big a performance hit exhausting the heat outside the case results; but that is only half the equation. The other half is knowing how much of an effect exhausting all that heat INSIDE you case has on ambient temperature. Only then can YOU decide what is best for your personal situation. Note that the exact methodology for this test is listed in the main Testing Methodologies page



This here is why darn near every sealed other water cooling unit manufacturer recommends dumping all that heat outside your case. The difference is significant and unless your case as extremely good internal air flow (such as a Cooler Master HAF series) then Corsair's solution is less than optimal for in-case temperatures. In our opinion, you should take the small hit to CPU temps and enjoy one of the fringe benefits of the H70: the ability to change its direction so it exhausts all of its heat outside the case.

What is noteworthy is while the internal ambient temperature did rise significantly in the motherboard zone, there was almost no difference in the GPU area. We ran a second temperature probe inside the case and the internal air flow of the 690 was such that our GPU really didnít care one way or the other. Fresh air came in via the front, and hot air was sucked in from the top.

It was also interesting to see how well a relatively good case performs when a water cooling system is installed as we saw only a tiny rise over ambient temperatures when heat was being exhausted by the H70.


Sound Level Testing


While everyone "hears" noise differently there is one easy way to remove all subjectivness and easily compare different fans: use a sound level meter. This way you can easily compare the various fans noise envelopes without us colouring the results and see what fans fit within your personal comfort level. Of course, we will endeavor to try and explain the various results (which are taken at a 30 inch distance) to help you our readers get an even better understanding of how loud a cooler's stock fan is, but even if you discount our personal opinions, the fact remains numbers don't lie. All fans are tested with both voltage regulation / PWM turned off.



Honestly, without the included resistor installed the H70 is quite loud. It certainly sports high performance fans, but we dislike the slower version which the H50 sports and making it faster did NOT make it better. These numbers really only tell half the story as these fans display high pitched tonal properties which do get annoying. At 1600 most of the whine does go away, but it still is far from quiet.
 
 
 

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