Roundup: 12 Gaming Power Supplies Compared

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Sparkle SCC-750AF

The $150 Sparkle SCC-750AF, with its very fine finish and stylish charcoal/violet color combination, would probably be suitable as an accessory in a modern loft. At least, it is almost too nice looking to hide away inside of a computer case.

All cables except for the ATX and CPU cables are modular, with the number of connectors and length of the cables being sufficient. Only the PCIe cables might be considered a bit short, coming in at 45 cm (17.5 inches). The power supply comes with three floppy connectors, which is overkill in modern computers. The 750 W PSU comes with an 80 PLUS Gold certification and four +12 V rails, three of which can handle 16 A, and the fourth 18 A. After shutting the system down, the PSU fan continues to run for around 20 seconds.

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Sparkle SCC-750AF
AC Input	100-240 V, 50-60 Hz
DC Output	+3.3 V	+5 V	+12 V (#1)	+12 V (#2)	+12 V (#3)	+12 V (#4)	-12 V	+5 Vsb
24 A	30 A	16 A	16 A	16 A	18 A	0.5 A	3.0 A
Individual Output	Row 3 - Cell 1	Row 3 - Cell 2	Row 3 - Cell 3	Row 3 - Cell 4	Row 3 - Cell 5	Row 3 - Cell 6	6 W	15 W
Rail Utilization	Sys	Sys	CPU & VGA
Combined Output	170 W	750 W
Total Continuous Output	750 W
Peak Output	n/a

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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