XG Magnum External 600w PSU - How about a little test?
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There are a couple of things I wanted to test with this PSU. First, as with all PSUs, I wanted to test the voltage it puts out, both idle and under load. But secondly, since this PSU touts itself as a fan-less PSU, how hot does it get as the load increases?
Above is a pic of the PSU sticker. Note the amps on the two 12V rails, 18A and 22A. Those are quite respectable numbers.
So here is my test rig:
EPoX 8U1697 motherboard with AMD 64 3000+ CPU and 1GB OCZ RAM
PowerColor X1300 video card with 512MB RAM
XG Magnum EX 600w External PSU
Pioneer DVD +/-R Reader/Writer
Samsung 120GB IDE HD
Running Windows XP Media Center Edition
When testing the voltage, I did two tests. I tested first while the machine was idle, sitting on the desktop in Windows. Then, I put load on the box. For my load, I zipped files from the DVD onto the hard drive, while running SuperPi continuously in a loop. After letting this run for 10 minutes, I took the measurements again. Here is what I found:
As you can see, the PSU performed quite admirably. Here's a pic of the PSU as it was running:
The above pic was taken after letting my "load" scenario run for well over an hour. I was unable to get the PSU to get any hotter than 39 degrees Celsius. In the meantime, the temperature inside the case was quite low in comparison to a case with an internal PSU.
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