Installation & Use
I used OCCT Perestroika in conjunction with Everest for benchmarking and monitoring on Windows 7 64-bit after installing into my standard testing rig with an ASUS M3A32-MVP motherboard, Athlon X2 6000+, 8 GB of DDR2 RAM, three SATA hard drives, a Kingston V-Series 128 GB SDD, a Killer Xeno Pro NIC, and a Foxconn-made nVidia 8800 GTX inside a Cooler Master Cosmos S case.
I’ve included for comparison graphs from the test of the Antec Truepower New 750W I reviewed recently. The EarthWatts graphs are on the left and the TruePower New graphs are on the right.
Spot checks put the 3.3V, 5V, and 12V rails at 3.26V, 4.95V, and 11.97V respectively while idle and 3.23V, 4.91V, and 12.03V under load.
The 3.3V rail rippled 1.23%, barely anything, really. It was fairly stable throughout, bumping a little here and there.
The 5V rail rippled 1.25%, again, barely anything. It was virtually stable, dropping voltage during the test and returning after stress.
The 12V rail rippled 1.65%, but wasn’t quite as stable. The fluctuations took it above 12V from under throughout the test. This is still all within acceptable limits, though.
When compared with the Truepower New, though, the Earthwatts is old hat. The TP New has better stability and better efficiency.
The noise level is nothing out of the ordinary.
Colin Dean has been a writer for ThinkComputers since 2006.
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