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Corsair > 
Item#: N82E16817139011

CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

  • ATX12V 2.3 / EPS12V 2.91
  • Modular
  • 80 PLUS GOLD Certified
  • 100 - 240 V 47 - 63 Hz
  • +3.3V@25A, +5V@25A, +12V@70A, -12V@0.8A, +5VSB@3A
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
IronEgg
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Corsair HX850

Model

Brand
CORSAIR
Model
HX850
Series
HX Series

Spec

Type
ATX12V 2.3 / EPS12V 2.91
Maximum Power
850W
Fans
1
PFC
Active
Main Connector
20+4Pin
+12V Rails
Single
PCI-Express Connector
6 x 6+2-Pin
SATA Power Connector
12
SLI
SLI Ready
Haswell Support
Certified
CrossFire
CrossFire Ready
Modular
Modular
Energy-Efficient
80 PLUS GOLD Certified
Over Voltage Protection
Yes
Input Voltage
100 - 240 V
Input Frequency Range
47 - 63 Hz
Input Current
12A - 6A
Output
+3.3V@25A, +5V@25A, +12V@70A, -12V@0.8A, +5VSB@3A
MTBF
100,000 Hours
Dimensions
5.9"(W) x 3.4"(H) X 7.09"(L)

Features

Connectors
1 x Main connector (20+4Pin)
1 x 8-Pin EPS 12V
12 x Peripheral
12 x SATA
2 x Floppy
6 x PCI-E
Features
Fanless operation at low power loads

Low profile, black modular cables

Continuous power output at 50C

Multiple GPU ready

Industrial grade components, like 105C high quality capacitors

Manufacturer Warranty

Parts
7 years limited
Labor
7 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 7 years


Customer Reviews of the Corsair HX850

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Showing 932 of 932 reviews - Clear Filters

  • Steven B.
  • 10/28/2014 9:22:13 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood PSU

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Works perfect, good power source

Cons: none

Other Thoughts: Provides more than enough power and connections for everything in my system, very efficient and despite being in a more demanding system than my last one I use less energy overall thanks to it being 80+gold

Did you find this review helpful? Yes No

  • Austin L.
  • 10/24/2014 9:46:05 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsIT WORKS

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: WELL it has all the good tasty power you PC craves! why would you not buy it?

Cons: It only comes with 1 velvet bag to store you power supply in. :( i was hopping for at least 3

Other Thoughts: I might buy another one here soon.

Did you find this review helpful? Yes No

  • Michael Z.
  • 10/24/2014 1:17:21 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsCORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Easy installation and easy cable management
The power supply was decent to power my whole computer
Ran silently (Read Con section for reason)

Cons: The power supply would have gotten a 4 egg review if it wasn't for this issue. This is my first time buying a corsair power supply and first time i had issue with a power supply. When I got my power supply I installed it immediately and it work fine. I turned on my computer and I checked on it again. This is when I realized that the power supply fan didn't even work. I restarted my computer and the power supply fan didn't turn on. Everything worked fine just the fan was malfunction.

Did you find this review helpful? Yes No

  • Justin K.
  • 10/22/2014 12:22:12 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsSounds like a Train Braking

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: It has a powerful +12 rail with plenty of amperage to power any 2 single GPU's with virtually any CPU as well.

Currently only have one 290, but might CF soon with this

Cons: When the fan spins up, and the PSU takes on a power load, the PSU sounds like chirping birds, a scraping chalkboard, a teapot steaming up all at the same time...It overcomes the noise of all 9 fans, my GPU's fans, the CPU fans, and even my PC's speakers...
My PC would be silent if it wouldn't be for this noisy device

Biggest con is that it work perfectly (for now) and I'm scared to RMA and end up getting one that explodes or has other issues...
Expected more from Corsair.
also, have no idea how loud it would be at full load. I'm only using 650W max right now, can't image having 2x 290's with the 850w at full load...

Other Thoughts: I want to RMA, but am scared I will get sent an even worse unit... also have no replacement PSU so...

Sad thing is my friend's CX600 is dead silent and works perfectly...

Corsair Support, if I RMA, will you promise not to send me some refurbbed ticking timebomb of a PSU... I have it powering $1.5k+ in hardware.

I know you read these...

Manufacturer Response:

Dear customer,

We're sorry to hear about the chirping noise you're getting from the HX850. Please submit a ticket at corsair.force.com or call us at 888-222-4346 and we'll have one of our representatives help you with a replacement.

Thank you,
Corsair Customer Support
Corsair Support Email: support@corsair.com
Corsair Support Phone Number: 888-222-4346

Did you find this review helpful? Yes No

  • James L.
  • 10/14/2014 1:29:14 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsDoes the thing.

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Works just fine.

Cons: none

Did you find this review helpful? Yes No

  • David P.
  • 10/10/2014 1:34:44 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsSQUEEEEEEEE-

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Very solid voltages
Semi-modular
Some cool extras in the box, like a carrying case (???)

Cons: I have owned two of these units now. The first one had terrible coil whine while at idle, and only at idle. When I booted up a game, the whine immediately stopped. That's pretty weird, so I RMA'd. The new one comes in and it whines WAY WORSE but only at load, and not at idle. I've never heard whine like this either; it kind of sounds like a pool pump gargling and buzzing.

Other Thoughts: Can someone please, please make a PSU with some decent QC. That's all I ask.

2 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 9/30/2014 8:51:45 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsCorsair go BOOM

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Worked well for about 6 months then...

Cons: BOOM! Yesterday the unit blew up, shotgun style. Hit the power switch and a very loud bang. Now, this is the 2nd unit that I've had that's had issues.

The first one was RMA'd do to having a high pitch squeal. The replacement seemed to work fine without issues until it suddenly went bang.

It even took out the surge protector it was connected through.

Other Thoughts: I don't know what else to say. This product was reviewed well by many sites. Guess it could be really bad luck to have 2 units bad, and 1 of them blow up. I have never had this happen before.

Needless to say, I'm going to have to contact Corsair and RMA this unit. In the meantime I have installed a temporary PSU and luckily it seems the unit at least did one thing right, it's safety features appear to have worked and kept the rest of the computer intact.

The PC seems to be running fine with a new PSU installed.

I'm concerned that QA might be letting a few stinkers through considering the 12+ years I've worked with computers and never had an issue like this with a single product. Sure, I've had a few DOA items, but the replacements always worked. This is the first time I've had to go for a 3rd product.

My faith in Corsair is wavering at this point. I'm almost tempted to not RMA the unit because, what if this 3rd one decides to be a dud, then blow up, but this time taking out over 1k in hardware?

Invested in a 'good' PSU so I don't have to deal with the garbage PSU units and it seems right now that this unit is not all it's cracked up to be.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 9/25/2014 5:17:20 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat Power Supply Unit

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: I have had this bad boy running on three years. Never had a problem with it. I like you only have to run the cables you want. Black bag is nice and tidy to keep your extra cables handy.

Cons: None

Other Thoughts: Great Power Supply Unit. Have not had any issues with it and I have owned it for 3 years. Runs SLI perfect.

Did you find this review helpful? Yes No

  • Mr. G.
  • 9/22/2014 9:39:23 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat PS

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Stable
Quiet
Modular

Cons: None

Did you find this review helpful? Yes No

  • Justin b.
  • 9/17/2014 12:15:13 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsCORSAIR HX Series HX850 850W

This review is from: CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: a lot of cables to use, a lot of power, detailed manual ( i am Very visual so this helps me)

Cons: None

Other Thoughts: I recommend this psu

0 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16817139011
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