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Home > Hardware Reviews > PC Parts

Friday, July 20, 2007
OCZ ModXStream 780W

3. Testing

To test the PSU, we put our system under heavy load using CPU+3D with 3D Mark 06 v1.0.2. Our test PC was as follows:

  • ASUS M2N32Pro WS + AMD Athlon 64 X2 4600+ AM2
  • Gainward 8800GTX
  • 2x1GB Crucial PC2-8000
  • 1xWD 80JB SATA I
  • 1xSeagate 80GB SATAII

All PSU ratings were monitored with Everest Ultimate Edition v3.0. The following table lists the industry wide specifications for DC Output Voltage Regulation.

 

After running 3D Mark 06, the monitored outputs showed us how much deviation the PSU rails had produced. A summary of the results is given in the following table:

Minimum
Maximum
Average
CPU1
%
0
100
54,9
CPU2
%
0
100
39,2
CPU Core
V
1,34
1,34
1,34
+3.3 V
V
3,25
3,26
3,25
+5 V
V
4,89
4,93
4,92
+12 V
V
12,22
12,30
12,28

The results are very good. All ratings are within the specifications, while even at full load, the voltage only changes by 0.01~0.08V. Adding a second VGA card will not trouble this PSU.




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