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OCZ ZX Series 850W
9.5 out of 10

OCZ ZX Series 850W

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Reviews and Problems with OCZ ZX Series 850W

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Overall 9

OCZ ZX Series 850 W

23 May 2011
  • Summary: It is confirmed. OCZ made a strong come back into the high-end PSU category with the release of the ZX series. The smallest member of the ZX series exhibited high efficiency through out 20-100% load range, its voltage regulation was within 3% for all major rails and handled full power even after we...
  • Pros: Handled full power at over 50°C ambient, High efficiency, All rails stayed within 3% voltage regulation, Passed all Advanced Transient Response tests, Good ripple/noise suppression, Fully modular design, Lots of SATA/peripheral connectors
  • Cons: Lacks an MOV in the transient filtering stage, Price is on the high side, Low efficiency at loads below 65W, +12V slope does not ramp smoothly in Turn-On Transient tests
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Overall 10

OCZ ZX Series 850W Modular Power Supply Review

15 May 2011
  • Summary: Final Thoughts OCZ has put together a very solid power supply in the ZX Series. In our testing the rails were very solid, with only minor ripples way under the threshold that we like to see. The ZX Series has a 80 PLUS Gold certification, which means it will run 87% efficient at 100% load.
  • Pros: – Good performance, – Completely modular, – 80 PLUS Gold certified, – 5 year warranty
  • Cons: – None that I found
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OCZ ZX Series 850W Modular PSU

28 April 2011
  • Summary: We initially plugged the PSU into an EZ PSU Tester 3 in order to power it on for our "idle" measurements. As noticed below, the voltage rails were fairly stable with no load, but these aren't necessarily indicative of overall load performance. According to our Kill-a-Watt, the power draw was 3W.
  • Pros: Extremely low electrical noise, Rated conservatively when analyzing specifications, Lots of connects and SLI certified, +12v rail is ROCK SOLID, 3.3v and 5v rails are the cleanest we've seen, Totally modular design
  • Cons: Can't plug in all of the cables at once
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OCZ ZX Series 850W Power Supply

25 April 2011
  • Excerpt: The ZX series comes in three wattage levels beginning with our review sample's 850W, then jumping up to the 1000W and ending with the almighty 1250W. The entire series boast a single 12v rail with a minimum 70A, and enters the market as OCZ's top enthusiast model line.
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OCZ ZX Series 850W Power Supply

OverClock Intelligence Agency
27 February 2011
  • Summary: The OCZ ZX 850W seems to be a very robust and heavy duty power supply. With up to 70A of +12V and 850W of total continuous power available, the ZX 850W should run nearly any dual-GPU configuration that it is cabled for.
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