Test Hardware

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2:00 AM - 09/11/2009 by Thomas Soderstrom

We wanted a case and power supply that could meet the requirements of a typical performance system. While many readers voice a preference for cases that have power supplies at the bottom and huge fans on the side or top, most real-world systems use the classic mid-tower layout. Silverstone’s KL03 is almost perfect for this task.

While high-capacity power supplies are at the top of many buyers’ wish lists, real-world budgets force the majority to settle for somewhat less. A fairly solid mid-capacity unit, Antec’s NeoPower 650 is the closest thing we could find to a typical performance-system power unit.

With typical ventilation addressed, it was time to add an atypical thermal load to see just how well these coolers could perform with no other optimizations. An overclocked LGA 1366-based processor would do the trick nicely, and our retail-boxed version was already installed in our most frequently-used motherboard.

Overclocked to 3.8 GHz at 1.366V and completely loaded with eight threads of Prime95, Intel’s Core i7-920 converts over 250W of energy to heat, as measured in various System Builder Marathon articles. That’s enough to tax nearly any moderately-priced cooling system.

Asus’ P6T motherboard keeps our moderate overclock stable at a moderate cost.

Kingston’s DDR3-2000 was chosen for convenience since it had already been installed in the P6T motherboard.  Though this DRAM has proven exceptionally cable throughout many X58 motherboard comparisons, its overclocking capabilities were completely unnecessary for our DDR3-1600 CAS 8-8-8-24 settings.

Our final equalizer is the use of a single thermal compound to test all of the coolers. Zalman has offered enough ZM-STG1 thermal grease so that every North American reviewer on Tom’s Hardware staff has two bottles.

Talkback
annisman 09/11/2009 8:14 AM
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-8+

Ditched my Domino A.L.C. for a Xigmatek Thor's Hammer with 2 X Scythe fans. Strapped it on a Core i7 920, bumped it to 4.0Ghz and never looked back.

burnley14 09/11/2009 8:20 AM
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Interesting. This is good to know for a future build, since cheap water cooling was always a temptation for me.

tkgclimb 09/11/2009 8:34 AM
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I was looking at water, then I decided if I really want to do this I'm going to have to spend at least 200 if i want a good, effective, upgradeable system. So I'm going to get the megahalem or the thermalright TRUE extreme. and stay with some sick air.

rpmrush 09/11/2009 9:22 AM
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Air is still a better value unless you value noise or lack there of.
Water offers lower noise @ a slightly less extreme overclock, but who runs 4.0Ghz plus everyday.

apache_lives 09/11/2009 9:39 AM
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Anonymous 09/11/2009 10:02 AM
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The corsair h50 is NOT a water cooling solution. Not even close. At best, call it an "optimized" air cooler. The only situation where you would want one is if you need to install a cooler in a tight space. Otherwise, it's higher cost really ruins any value it has.

The_Blood_Raven 09/11/2009 12:42 PM
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Get a Swiftech H220 in there and it will beat the air coolers pretty well, besides that there are no out of the box water cooling setups that can actually beat high end air coolers by anything meaningful.


Good article though, your best articles are when you take the time to answer these odd questions that are commonly asked by the enthusiast.

jtt283 09/11/2009 1:10 PM
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As many times as I see bottom-PSU cases like the Antec 300 recommended in builds in the Forum, the lingering question for me becomes, "Suppose I do have a bottom-psu top-panel-fan case. Would that make a difference?" Or, is there ANY situation where the cooling performance of this type of liquid cooler is actually superior to a big air cooler?

skora 09/11/2009 1:17 PM
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Thanks for listening to the feedback and doing follow ups like this TS. Really gives the community a reason to become involved knowing our unanswered questions get addressed.

jtt283 09/11/2009 1:28 PM
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^Absolutely.

thodgson 09/11/2009 1:39 PM
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It would be good to see a comparison of the H50 with a push-pull fan setup.

I have an old-style Antec SLK-B case with a side-port fan (intake) that blows air into and through two push-pull 1500 RPM fans with the H50 radiator sandwiched in-between; these fans blow out, not in. The temp drop from a single fan to dual fans is around 7c degrees.

The biggest advantage of the H50 is noise, or lack thereof. My Tenma sound meter records less than 30db within 1ft of the case. Can't say that for any of the other HSFs I've tried (mostly stock).

zodiacfml 09/11/2009 2:32 PM
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still prefer the liquid cooler as it reduces the need for an exhaust fan, only I should have to match it to a powerful processor for good use of it.

vinshon 09/11/2009 2:44 PM
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i have the thermaltake v9 case with 230x230 large top exhause fan, and psu is at the bottom of the case, would the h50 do better for me?

FSC 09/11/2009 3:10 PM
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MU_Engineer 09/11/2009 3:21 PM
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rpmrush :
Air is still a better value unless you value noise or lack there of.Water offers lower noise @ a slightly less extreme overclock, but who runs 4.0Ghz plus everyday.



Air can be very quiet, but it requires that you keep fan speeds low. A good 120 mm fan running at 1000 rpm or less is just about inaudible, but such low speeds mean you can't overclock a whole lot. I'd guess based on my experience that you wouldn't want to pump more than about 150-160 W through a decent 120 mm tower heatsink like the ones used in the review if you keep the fans

theLaminator 09/11/2009 3:35 PM
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@vinshon
IMO you should be able to build a custom water setup in that case. Custom water will cool much better than the h50 anyday. Will it cost more than the h50? Yes but if you're gonna do water do water, these little prebuilt kits really don't cut it when comes to shedding heat or noise levels

doomtomb 09/11/2009 3:44 PM
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theLaminator :
@vinshonIMO you should be able to build a custom water setup in that case. Custom water will cool much better than the h50 anyday. Will it cost more than the h50? Yes but if you're gonna do water do water, these little prebuilt kits really don't cut it when comes to shedding heat or noise levels


Yep, I started out with a little pre-built kit but now I use a custom built loop to cool my CPU and northbridge/southbridge. Keeps the temp way way down on both. I have a 780i and the northbridge & southbridge have terrible stock cooling and the CPU is a quad core overclocked to 3.75GHz and it still stays icy cold.

radium69 09/11/2009 4:00 PM
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Cooler Master Hyper Z 600 with dual scythe ultra kaze 38mm x 120mm. Nuff said'

thackstonns 09/11/2009 4:13 PM
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yeah i would like to see you guys do some loop testing with some danger den stuff. I have a custom loop with an old ehiem pump, danger den waterblock, and a dual 120mm heatercore, and it stomps temps. I reach the limit of the cpu way before I tax the loop.

scooterlibby 09/11/2009 4:55 PM
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I just ditched the Domino when a "self-contained" pump burst and spewed coolant all over the VGA's, motherboard, and PSU. It was a nifty little thing, but the Zalman 9700 replacement I got seems to cool better and cost a lot less. Having tried both big air and little water, I really don't see the benefit of little water. If you want liquid, just go full out with "big water" in my humble opinion.


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