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trip1ex

macrumors 68040
Original poster
Jan 10, 2008
3,291
1,976
Specifically the hard drive fan runs at 1600rpm and the optical fan always runs at 1350 rpms.

Those fans run faster than my 2007 24" 2.4ghz iMac.

Somehow I figured with the cooler running ddr3, 9400M igpu and better cpu architecture that this new 2009 20" iMac would be dead silent because the fans would barely have to run. Or at least be less noisey.

But that's not the case.

Anyone have any fan speeds to report on new iMacs? Particularly the 20" model?

Download the iStat Pro widget and report your fan speeds today!
 
new 24" 2.66

CPU fan 1200
Hard Drive 1600
Optical Drive 800

Always stay at that speed from what i've seen.

That's similar to mine except my optical drive is 550 rpms higher. Maybe it's because of the 20" form factor? Less room means heat has a more difficult time escaping?
 
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