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OCZ ZX Series 850W ATX12V 24PIN Active PFC 80 Plus Gold 70A Power Supply 140MM Fan Black 5 Yr Wrty

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OCZ-ZX850W ZX Series 850 Watt Fully Modular ATX Power Supply 80 Plus Gold h1361 OCZ-ZX850W ZX Series 850 Watt Fully Modular ATX Power Supply 80 Plus Gold h1361 $90.00 CAD Shop Now

Product Reviews

OCZ ZX Series 850W ATX12V 24PIN Active PFC 80 Plus Gold 70A Power Supply 140MM Fan Black 5 Yr Wrty
Very Good
Below Average
Rating: 8.77/10
With 13 User Reviews

Review Date: 07/31/12
Cons: sata cords fit, but can be a tight fit, in a mid sized case

Pros: Quiet, low power consumption
Best PSU I have bought so far, gets the job done, and more quiet then expected

Review Date: 07/08/12
Cons: Cables really short!

Pros: Very high-end-looking (came with a little bag for extra cables)QuietTotally ModularNo power-related issues yet
I used this unit in a system build back in January. Purely as a PSU, I can't fault it. I've never had any power-related issues with it on two GTX560TI's in SLI.The big problem I DID encounter with it was that the modular cables were all very short! I couldn't use my case's cable-routing for my 24-pin and 8-pin power connectors and still have them reach; and my system is mATX! Even b-lining them straight across everything like I'm doing now probably wouldn't have worked in a full ATX system!I had to re-wire my system three times due to these cables not reaching! Not a problem I expected to have in a higher-end unit designed for power-hungry multi-GPU setups.So, Buyer Beware! All OCZ PSUs seem to have these same short cable lengths! Am I missing something here, or is OCZ?!

Review Date: 03/09/12
Cons: none yet

Pros: Nice looking seems to be working fine. A lot of very stiff cables
have always used OCZ products in my home builds and they just proved to me that my loyality is well placed. GREAT JOB OCZ

Review Date: 02/16/12
Cons: A bit expensive

Pros: Works perfectly, modular cable, quiet fan
Super efficiency power supply, the 80 plus gold standard is a must. The big fan keep the heat down. Nice modular cable, plug just what you need! Very easy to install.

Review Date: 01/10/12
Cons: nothing right now,

Pros: sleeved, modular, and enough power for my needs.
I got this PSU for a real nice price so what can I ask for? Enough power for my needs, fully modular and gold certification, meaning effciency is real ggod, what can I ask for?

Review Date: 12/18/11
Cons: -none yet

Pros: -purchased for 89.99 after rebate-price-perf-gold rated
Purchased this on sale. Its a solid PSU and can handle my OC systemCrossfire 6870s (overclocked)amd 955 m 4.4ghz (1.525v)I stressed everything to its load.The PSU laughed at me i think. It can't handle quite a bit.

Review Date: 11/24/11
Cons: None Yet

Pros: Fully Modular, Quiet Fan, steady Power.
It took me awhile to choose a PSU, I wanted the 80 Gold and choose this one. I'm not the least bit sorry for my choice. Good PSU!

Review Date: 11/14/11
Cons: The power cable looks like as if it's going to fall out.

Pros: Good power output, easy to plug in.
Good power supply as it powers more than enough for everything for me.

Review Date: 10/30/11
Cons: - ugly cables (gold plastic connectors with plastic mesh sleeving)...yuck!

Pros: - 80+ gold- shiny brushed metal casing- quiet but capably 135mm fan- 5 year warranty (they replace your unit, not repair it...so NO WAITING TIME)
WORKS PERFECTLY!!! The only bad thing about it is that it has UGLY cables! Yuck! I had to purchase extension cables just for it to look great. Otherwise, this is a great product and I highly recommend getting it especially now that it is on sale.

Review Date: 10/02/11
Cons: depending on layout of case/how you install the psu, some cables are a bit short (main atx power)

Pros: 80+ gold rated, full modular setup
powers everything in my case as needed, with tons of head room. got it cheap. i do get a highpitched buzzing when u listen for it while standing right next to the psu, but i think most psu's get that noise. full modular keeps case nice and clean is good routing.

Review Date: 09/20/11
Cons: -none

Pros: -modular design-can handle SLI-quiet
power supply died, so i picked this up. it's powering an OC'd i7 920 with 2xGTX 260 SLI. it's been running smooth since install; the modular cable design is awesome; only use the cables you require.

Review Date: 09/09/11
Cons: may just be too perfect

Pros: No problems
I love it. More than enough power for everything I'm running, also getting another graphics card which will be no problems for this at all. Great power supply, recommended for everyone!

Review Date: 08/14/11
Cons: documentation

Pros: amazingly silent
documentation is horrible unless you already know how to connect an 8-pin cable to a 4-pin motherboard socket (cpu)
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Product Features

OCZ OCZ-ZX850W ZX Series Modular Power Supply
The OCZ OCZ-ZX850W ZX Series Modular Power Supply is the unsurpassed solution for driving today's Enthusiast and gaming systems. The OCZ OCZ-ZX850W ZX Series Modular Power Supply has the ability to easily power both NVIDIA® SLI? and ATI CrossFire? modes, supporting even the most power hungry GPUs with up to triple GPU configurations. Industrial-grade yet designed with enthusiasts, gamers and modders in mind, this OCZ OCZ-ZX850W ZX Series Modular Power Supply is stable, robust, and sports a sleek look and the most compact form factor of its class. Kept ultra-cool with a load-controlled ultra quiet 140mm fan, the OCZ OCZ-ZX850W ZX Series Modular Power Supply was engineered to be the quietest PSU available and eliminate distracting noises from your PC. Highly efficient, featuring up to 92% efficiency at typical load and up to 89% at full load, this leading-edge OCZ OCZ-ZX850W ZX Series Modular Power Supply remains rock solid and powerful while retaining superior efficiency under load. The OCZ OCZ-ZX850W ZX Series Modular Power Supply gives you the ultimate power and peace of mind to ensure the stability, low noise, optimized air flow, and efficiency of your gaming system.

What It Is and Why You Need It:

  • 850 Watts
  • 80 Plus Gold
  • SLI & CrossFire Ready
  • 140mm Fan
  • Active PFC




100~ 240V 50/60Hz


  • Connectors:
    • 20+4 pin ATX
    • Dual 4+4 pin CPU
    • 4x PCIe 6+2 pin
    • 12x SATA
    • 9x Molex
    • 1x Floppy

Product Specifications

Brand OCZ
Model OCZ-ZX850W
Series ZX Series
Type ATX12V v2.2 / EPS12V
Maximum Power 850W
Fans 1 x 140mm ball-bearing fan
PFC Active
Main Connector 20+4Pin
+12V Rails Single
PCI-Express Connector 4 x 6+2-Pin
SATA Power Connector 12
SLI Ready
CrossFire Ready
Modular Yes
Efficiency 92%
Energy-Efficient 80 PLUS GOLD Certified
Over Voltage Protection Yes
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 15A - 8A
Output +3.3V@24A, +5V@30A, +12V1@70A, -12V@0.5A, +5VSB@3.0A
MTBF >100,000 Hours
Dimensions 5.91" x 6.89" x 3.39"
Connectors 1 x Main connector (20+4Pin)
2 x 4+4 Pin CPU
9 x Peripheral
12 x SATA
1 x Floppy
4 x PCI-E
Features 850W Continuous power

ATX12V v2.2 and EPS12V

Compatible with Core i5 & i7

Active PFC

OCZ PowerWhisper Technology

Ultra quite 140mm ball-bearing fan

SLI and CrossFire support

Overvoltage/Overcurrent/Short-Circuit protection

5 year warranty backed by OCZ’s exclusive

PowerSwap replacement program. No more endless return-for-repair loops!
Manufacturer Warranty
Parts 5 years limited
Labor 5 years limited
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