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MrMJS

macrumors member
Original poster
Mar 11, 2014
69
2
Ohio
What speed are you running your fans at? I just installed smcFanControl to help keep my 09 27" iMac cooler.
 
I have an early 08 24", and I'm running my fans with smc at around 1850.
Temps dropped from the upper 70's without smc to the mid-50's ºC.
 
My iMac's mid 2011; CPU fan at 1700rpm, HDD fan at 1688rpm, ODD fan at 1800rpm. Average CPU temp 38 ºC (idle).
 
For starters I bumped all three up 50%. Temps were in the 32-35c range.
 
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