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The Rosewill Silent Night 500 power supply delivers excellent
performance by any standard. Its voltage regulation, noise and ripple, and efficiency
are all top notch, with the efficiency being as high as I've measured in any
PSU thus far. The >95% efficiency at 400W load with 240VAC input means this
PSU produces only 20W of heat, a trivial amount. The 5 years parts & labor
warranty bolsters buyer confidence as well.
This sample produced virtually no audible electronic noise under
~200W, and at full power, its electronic noise was lower than all but the best
of three 520W Seasonic Platinum samples I tested. Admittedly, the more recent
design Seasonic 520W Platinum has tighter voltage regulation the best
ever but that's about the only area where the Seasonic has a clear advantage.
In actual use, the advantage may be moot; there are no computer components which
actually demand such tight voltage regulation for normal operation.
About the only possible quibble one might have about the Rosewill
SN500 is that it is a bit heavy, probably not ideal for top rear mounting in
a thin-panel aluminum case if it's being shipped. The very low power efficiency
is not quite as good as the Seasonic Platinum, but then this is a matter of
only a watt or two at most. Finally, you might have to face snide remarks from
tech geek friends about why you've chosen a house brand... and if you do, just
send them the link to this review: The Rosewill Silent Night 500 is worthy of
the SPCR Editor's Choice Award.
* * *
Much thanks to Rosewill for the review sample.
Rosewill Silent Night 500 PSU wins the SPCR's Editor's Choice Award
* * *
SPCR Articles of Related Interest:
Power Supply Fundamentals
Recommended Power Supplies
SPCR PSU Test Rig
Fanless PSU Torture
PSUs: Kingwin Stryker STR-500 & Silverstone ST50NF
Seasonic X-400 Fanless
Enermax Platimax 600W
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this article in the SPCR Forums.
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