VERY loose idea of performance... FX51 setup
FX51 overvolted to 1.75v but at stock clocks (2.2Ghz), s940
1Gb ECC Reg 3200 Ram
Asus SK8V
OCZ PowerStream 520w
Ambient measured as air into radiator, 2" from core surface. CPU Core measured via bios. (
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HE120.3 with 3x Xinruillian 0.40a fans at 7v. Specs are (at 12v):
# Current - 0.4
# Speed - 2400RPM
# Airflow CFM - 91.63
# Noise dBA - 40
# Depth - 1"
Delta between ambient and cpu core: 4 deg C
Fans are still audible in this scenario, but only just...
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PA160.1 with 1x Xinruillian 0.18a @ 12v, specs are:
# Current - 0.18
# Speed - 1700RPM
# Airflow CFM - 65.12
# Noise dBA - 30
# Depth - 1"
Delta between Ambient and CPU Temp: 6 deg C
Fan is completely inaudible... for all intents and purposes you can't tell it's there unless you stick your ear RIGHT beside the fan...
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That's literally remove one rad, hook up the other.... same tubing, same case, same everything else... ambient at a constant 28 deg C (fairly warm) due to central heating. But to be honest, as y'all know those results mean nothing conclusive...
(Just for a VERY loose meaningless idea... can't provide more accurate test data until I send em over to JoeC; awaiting a reply from him at the mo)