Cooler Master Silent Pro M 600W PSU
Author: Rutledge Feman
Editor: Shawn Knight
Date: 12-29-2008
Provided by: Cooler Master

MSI X38 Platinum (BIOS 1.3)
intel Core2 Quad Q6600 @ 3.0GHz : NorthQ Max Tower Extreme
2x VisionTek Radeon HD3870 in Crossfire
OCZ Reaper 2x1GB PC3-10666 6-6-6
WD 74GB Raptor (10K), WD 500GB CaviarSE16 (7.2K)
Cooler Master Silent Pro M 600W
Lite-On 20x DVD±R/W SATA
Lian Li PC-A77 Chassis (5 internal 120mm fans controlled by NZXT Sentry LX)

USB Powered Components:
Logitech G15 LCD Keyboard
OCZ Dominatrix Laser Mouse

To test the Cooler Master Silent Pro M, we first put the system at idle and used a hand-held multi-meter to ensure the accuracy of our onboard sensors. Then, a load situation consisting of Folding@Home SMP running on the CPU, ATITool 3D visualization running on the GPUs, the primary hard-drive defragmenting, and a CD being copied from the optical drive to the secondary drive was maintained on the system while the multi-meter was again used to ensure the accuracy of the readings. For insight into the ripple and stability of each line (3.3V, 5V, and 12V), we ran an OCCT stress test along with Everest Ultimate for real-time monitoring.

As is the case with most power supplies, the 3.3V line was practically rock-solid during all testing, hardly budging even under full system load.

While the 5V line wasn't quite as solid or accurate as the 3.3V line, it was still pretty strong with a ripple of only 1.64%. This could be better, but not much.

Judging by the performance on the 5V line, I was expecting more ripple on the 12V line, but to my surprise voltage remained within a pretty small range throughout testing. While the gap here looks very large, the voltage almost never left the 12.15-12.25 range, scoring at 12.2V on the multi-meter for almost the entirety of the test. The ripple came in at a nice 1.46%, which was less than the 5V line.

Now that we've seen what this unit can do, let's wrap this review up with some conclusions…

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