Tom's Hardware > Forum > Overclocking > General Discussions > 45 C very quiet vs. 40 C really noisy ....

45 C very quiet vs. 40 C really noisy ....

Forum Overclocking : General Discussions - 45 C very quiet vs. 40 C really noisy ....

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jchan   09-13-2009 at 02:54:33 AM

I have an intel i7 920 @ 3.2 GHz ... and i installed a 120mm fan i bought at best buy as the top exhaust fan on my cooler master scout. The reason i replaced the top fan was because i thought the top fan was broken, but it wasnt in the end- the CPU fan cable was blocking the original CM scout top fan.

With the bestbuy fan as a top exhaust, i got CPU temps of like 39/38/38/36 for each core. But the thing was, i almost have a tough time sleeping at night cause it was quite noisy ...
So today, i reinstalled the 140mm fan that the case came with and the readings are like 45/44/44/41 for each core. So the original fan is MUCH quieter but makes my temps go up ~5C

So at 45 C, is it okay at this temperature? Will it have as of a long life.. compared to a i7 @ 39 C ...

------------------------------ I7 920 @ 3.2 GHz | Cooler Master Scout | XFX 4870 1GB | 640GB WD Caviar Black | EVGA SLI LE X58 Motherboard | Scythe Mugen-2 | G.Skill 6GB @ 1600 9-9-9-24 | Corsair TX750W
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mindless728   09-13-2009 at 02:57:35 AM

well those are idle temp so it won't really matter too much, what are temps under load (use prime95 small fft's)

Reply to mindless728
jchan   09-13-2009 at 03:15:40 AM

with small fft's i get like 61/59/59/56

------------------------------ I7 920 @ 3.2 GHz | Cooler Master Scout | XFX 4870 1GB | 640GB WD Caviar Black | EVGA SLI LE X58 Motherboard | Scythe Mugen-2 | G.Skill 6GB @ 1600 9-9-9-24 | Corsair TX750W
 Reply to jchan
Twoboxer   09-13-2009 at 04:33:04 AM

You didn't happen to reverse that top fan, did you?

Had to check for 5 degrees :)

Reply to Twoboxer
jchan   09-13-2009 at 04:18:58 PM

i'm pretty sure i didn't reverse the fan ...

now my idle temps are 43/41/42/39

phew , maybe i just had to wait a little or somethin lol

------------------------------ I7 920 @ 3.2 GHz | Cooler Master Scout | XFX 4870 1GB | 640GB WD Caviar Black | EVGA SLI LE X58 Motherboard | Scythe Mugen-2 | G.Skill 6GB @ 1600 9-9-9-24 | Corsair TX750W
 Reply to jchan
Twoboxer   09-13-2009 at 05:28:03 PM

As long as its blowing out, you are good.

Reply to Twoboxer
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