• Welcome to Overclockers Forums! Join us to reply in threads, receive reduced ads, and to customize your site experience!

Case Air Flow

Overclockers is supported by our readers. When you click a link to make a purchase, we may earn a commission. Learn More.

tomdean

Member
Joined
Nov 26, 2011
I finally got off my lazy ... and found my air flow meter.
The air flow numbers did not add up. Seems like I had a negative (relative) pressure inside the case!

With the case closed, the H80 exhaust was 1.65 m/s and the top 120 mm exhaust was 0.86 m/s.
I removed the side panel.
With the case open, the H80 exhaust was 1.75 m/s and the top 120 mm exhaust was 1.60 m/s.

With the side off the case, the temps were all 30 C or lower.
At full load, the temps were 60 C or lower.

Now, I think I have time to work on an external cooler.
 
OP
T

tomdean

Member
Joined
Nov 26, 2011
I have two 140mm fans as intake.

My Antec CP-850 PSU seems to have little air exhaust, but, it does not seem warm... I can not locate a manual that discusses the fan speeds.

After one hour 100% load, the core temps are 57 to 63 C.
 
OP
T

tomdean

Member
Joined
Nov 26, 2011
The CP-850 fan control information is hard to find. You have to read the manual all the way to the top 1/3 of page 2.