Roundup: 12 Gaming Power Supplies Compared

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Efficiency According To 80 PLUS, Temperature, And Standby Overview

Efficiency according to the 80 PLUS specification:

Standby and temperature measurements:

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103 Comments Comment from the forums

FLanighan

Why not Corsair? I jizz at my tx850w :)
Reply
xxsk8er101xx

Because it failed a few of the tests.

FLanighanWhy not Corsair? I jizz at my tx850w
Reply
p1n3apqlexpr3ss

Corsair has a gamer series... whyd they test one of the units from the top line aimed more at enthusiasts?
Reply
Odd, why isn't Silverstone reviewed at all? Most of the power supplies they looked at are junk for anyone with more than one GPU and overclocking. I dumped my PC Power & Cooling 1000 Watt PSU because it couldn't handle two ATI 5870's and overclocked CPU to 4Ghz with 1600 FSB. I put in a Silverstone 1500Watt PSU and my system has been rock solid ever since.

The article doesn't appear to measure noise from during switching and how much noise is introduced to the CPU and bus.

Anyway, it will be a cold day in hell before anyone gets me to switch out my Silverstone 1500 Watt PSU.
Reply
scook9

V8VENOMOdd, why isn't Silverstone reviewed at all? Most of the power supplies they looked at are junk for anyone with more than one GPU and overclocking. I dumped my PC Power & Cooling 1000 Watt PSU because it couldn't handle two ATI 5870's and overclocked CPU to 4Ghz with 1600 FSB. I put in a Silverstone 1500Watt PSU and my system has been rock solid ever since.The article doesn't appear to measure noise from during switching and how much noise is introduced to the CPU and bus.Anyway, it will be a cold day in hell before anyone gets me to switch out my Silverstone 1500 Watt PSU.You are either lying or very unlucky (got a bad PSU)......I have crossfire 5870s and an i7 965 and all stock cannot exceed 650W at the wall (about 550W actually used) no matter what I try.
Reply
JamesSneed

Nice tests but I came to a different conclusion. The seasonic X-750 is close to the most effiecent in the bunch and did you see that voltage ripple it looked like it was flat lining.
Reply
boiler1990

For the ~$20 price difference between the Corsair 850HX and the AX850, I think I'll get the AX. It never hurts to invest in a great PSU :)
Reply
juuh

V8VENOMOdd, why isn't Silverstone reviewed at all? Most of the power supplies they looked at are junk for anyone with more than one GPU and overclocking. I dumped my PC Power & Cooling 1000 Watt PSU because it couldn't handle two ATI 5870's and overclocked CPU to 4Ghz with 1600 FSB. I put in a Silverstone 1500Watt PSU and my system has been rock solid ever since.The article doesn't appear to measure noise from during switching and how much noise is introduced to the CPU and bus.Anyway, it will be a cold day in hell before anyone gets me to switch out my Silverstone 1500 Watt PSU.
I call BS. I could run your setup with my PC power & cooling 750w unit.
http://www.techspot.com/review/289-geforce-gtx-480-sli-versus-radeon-5870-crossfire/page9.html
Reply
vanhalen

No recommendation for the Seasonic? Am I missing something?

Reply
random1283

agreed no reccomendation for an x series seasonic, you guys must be mssing something, every other review of the x series said that they are simply amazing much better then any nxzt or anything.
Reply