Cooler Master GX 750W Power Supply
Author: Rutledge Feman
Editor: Shawn Knight
Date: 03-01-2010
Provided by: Cooler Master
Pages:
Testing

MSI X38 Platinum (BIOS 1.3)
Intel Core2 Quad Q6600
2x VisionTek Radeon HD3870 in Crossfire
OCZ Gold 3x2GB PC3-10666 9-9-9-20
OCZ Agility 128GB SSD, WD 74GB Raptor (10K), WD 500GB CaviarSE16 (7.2K)
Cooler Master GX750
Lite-On 20x DVD±R/W SATA
Lian Li PC-V1110 Case
Windows Vista Ultimate x64

USB Powered Components:
Logitech G15 Keyboard
OCZ Behemoth Mouse
USB2.0 Webcam


To test the Cooler Master GX 750W, I first used a Craftsman multimeter to ensure accuracy of the onboard voltage sensors, both at idle and load. Then, the system was loaded with the OCCT 3.1.0 PSU test, providing a system load between 500 and 600W as measured by a Kill-a-Watt power meter. Below, you'll find a chart defining average idle and load voltages to highlight the drop during load.


Nothing out of the ordinary here. The system remained rock solid throughout all testing and usage, and the unit posts up some pretty strong numbers. There was a little more fluctuation on the 12V line than I would necessarily desire, but certainly nothing out of spec.

Stick around for conclusions just ahead.


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