Tom's Hardware > Forum > CPU & Components > CPUs > Any Cautions Using Cpu Heatsink with Faster Fan?

Any Cautions Using Cpu Heatsink with Faster Fan?

Forum CPU & Components : CPUs - Any Cautions Using Cpu Heatsink with Faster Fan?

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kal20mx   11-04-2009 at 04:58:46 AM

I am looking for a new Heatsink to go with my 720 x3. I do plan on doing some high ocing. I spent along time looking for the best cpu heatsink until I got a pretty good Idea ( Well IMO I think Its a good Idea dont know). I see all this cpu Heatsinks with only like 40-61 CFM. Then I looked at the Heatsinks where you can change the fans yourself like http://www.newegg.com/Product/Prod [...] 6835233012 or the http://www.newegg.com/Product/Prod [...] 835233029. I thought to my self wouldnt it be better if I got this Heatsinks and attached a fan with a whole lot more CFM like the http://www.newegg.com/Product/Prod [...] 6835706015 ? I mean Im going to use this bad boys in my case might as well use them on my heatsink right? I dont care about the loudness of this thing cuz I know of the sound it will produce thats my problem that I will fix later. But my questions is Can this fan that powerful even make a difference from the stock fan that come with the heatsinks? Will it damage the Heatsink in any way? If so what are better options for a good heatsink to overclock my cpu.

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JackNaylorPE   11-04-2009 at 05:18:30 AM

Cautions would be:

66.5 dba are you kidding ????? Freeway traffic iand vacuum cleaners are a 70 !

48 watts !!!!! Typical MoBo fan headers on enthusiast boards are 2 amps (24 watts) , prolly lower on average boards. Some fan controllers will go smokie at > 1 amp.

Suggest you contact the HS manufacturer's tech support and ask them for the proper cfm / rpm.

Prolimatech for example has a recommended Fan Speed Range: 800~1200 RPM

That thing is 5500 rpm and pushing 250+ cfm thru those fin\s is gonna make even more noise.

------------------------------ If a man speaks in the forest and no woman hears him, is he still wrong ?
 Reply to JackNaylorPE
kal20mx   11-04-2009 at 05:35:35 AM

I didnt think about the noise it would cause thru the fins. Then I think I would put one of them on the front of the case. Then what cpu cooler would be best for overclocking?

Reply to kal20mx
hunter315   11-04-2009 at 05:48:39 AM

The lifetime on that fan will be incredibly short. Get a reasonably high CFM one like one of the ones from scythe. If you run a few of those in your case for an extended period of time you risk hearing damage, 78dB is the threshhold at which long term exposure leads to hearing damage. While that fan moves 4 times more air than this one
http://www.newegg.com/Product/Prod [...] 6835185006
it is 84x as loud, it doesnt seem like a smart trade off to me

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