Power Supply Roundup: 730W to 900W
by Christoph Katzer on November 22, 2007 3:00 AM EST- Posted in
- Cases/Cooling/PSUs
Voltage Ripple and Noise
Amacrox
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Antec
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Cooler Master
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Hiper 730
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Hiper 880
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OCZ
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Seasonic
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Silverstone
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None of the units exhibit very high ripple noise, though we still see differences. Amacrox in particular generates a good results with just up to 30mV on the 5vsb rail and less than 10mV on all others. Unfortunately, we can't report results for the Hiper 770W unit since we took it apart for further inspection before we could perform the o-scope tests. The other three units performed quite well and the 730W version in particular delivers no more than 8mV on the various rails.
Antec shows minor problems on the 5Vsb rail as well since it goes slightly out of spec, but the other rails are within spec. The Cooler Master M850 is good on the 12V rails, though 12V2 and V3 are showing strangely high results of up to 80mV. OCZ also shows minor flaws on most of the rails where we see peaks up to 80mV at higher load. This might sound high but it's still within specs and not much to worry about. Seasonic could perform better, since the results for the X900 are not worthy of a high-end unit like this. Throughout the test the X900 generated ripple of up to 40mV on the 5V rail, and the 12V rails don't look much better. Finally, at maximum load the Silverstone OP850 shows 36mV on the single 12V rail and also high ripple on the lower 3.3V and 5V rails.
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31 Comments
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Christoph Katzer - Friday, November 23, 2007 - link
The arrangement will be changed next time ;)What about the amount of PSUs? Too many?
strikeback03 - Tuesday, November 27, 2007 - link
I like the voltage vs. load charts used previously better than the bar charts. Obviously impractical with a 10 PSU roundup, but I hope they come back for smaller articles.Would it at least be possible to keep a consistent order to the PSUs, instead of sorting by output voltage? On the 3.3V charts on page 4 for example, it's confusing to have the Hiper 730 at the bottom of the 20% chart then the top of the 50% chart.
Dayneaw - Thursday, November 22, 2007 - link
The first graph on page six seems to be missing the results of the silverstone.rickon66 - Thursday, November 22, 2007 - link
I love it when folks complain without even reading the review."Maybe you just forgot to upload the final page?"
Maybe you just forgot to read the review!!
Anyway-Good job on the review.
Talcite - Thursday, November 22, 2007 - link
Good job guys, the o-scope readings/explanations are particularly nice =D.SOLIDNecro - Thursday, November 22, 2007 - link
No "Final thoughts" or "Conclusions"???A summary report is one of the most important, if not most important part of any article, to leave it completely up to the reader to draw conclusions based on charts requires to much time and expertise for your average reader!
Also your "Editors" choice awards are invaluable, you guys are the "Pro's" and should be able to guide the reader to what you would purchase for your own rig, and why it stood out from the rest of the pack
Maybe you just forgot to upload the final page?
JEDIYoda - Thursday, November 22, 2007 - link
So whats so hard about making your own conclusion and thinking a little bit?Editor`s awards are bogus!
Grow up dude!
JEDIYoda - Thursday, November 22, 2007 - link
Editor choice rewards awards are bogus!You can read and comprehend - can`t you?
Make up your own mind!
Christoph Katzer - Thursday, November 22, 2007 - link
Just check the new arrangement. I wrote the comparison first and if somebody is interested to know more about a product he/she can check details after. The conclusion is on page 8.ChronoReverse - Thursday, November 22, 2007 - link
I find it rather confusing that way. I also thought that there was no conclusion until I read the comments.That said, I do usually read the conclusion first. Perhaps it should go back to the end and then a short abstract placed in the front?