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Item#: N82E16817139011

CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 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

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 953 of 953 reviews - Clear Filters

  • Richard S.
  • 12/22/2014 1:01:38 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDo not buy!

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

Pros: Looks nice, comes with ample cables and a nice bag.

Cons: Constant coil whine, both of them I ordered have failed within 6 months.

Other Thoughts: I ordered 2 of these, one for a customer build and one for my own machine.

Both of them had constant coil whine from the start, after a few months of ownership the one I put in my own computer failed causing constant restarting.

I RMA'd that one through Corsair, and a month later the one I put in a customer build also came in with the same issues.

Corsair has nice RAM, avoid the power supplies like the plague.

Did you find this review helpful? Yes No

  • Robert W.
  • 12/22/2014 12:33:21 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsNice PS...Silent Fan Mode = less airflow

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

Pros: Very professional looking, high quality looking Power supply. Had little trouble connecting everything in my full tower with much more organized wire layout.

The soft cable bag is really a nice touch, plenty of connections and a good way to store those you aren't using
Overall a really nice upgrade from 5 year old Antec PS.

Cons: Wasn't aware when I purchased this but PS has a "quiet mode" style fan, it only engages when under significant load. In my case this is a detriment as the PS is a significant part of maintaining steady air flow from bottom to top. Worked around the issue by adding to the front and rear circulation (upgraded those fans). PS does get hotter than old one, not sure if this is a long term detriment yet.

All cons are on me as I didn't do my research, writing here in the event someone else has a similar set of requirements.

Other Thoughts: Would have been nice to be able to monitor PS fan and temp without installing Corsair add-on

Did you find this review helpful? Yes No

  • David B.
  • 12/12/2014 1:48:46 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat PSU

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

Pros: Quite, modular and powerful. Just what the build needed.

Cons: Pricy (if you didn't catch it on sale)

Other Thoughts: The supplied cables are plentiful and of good length (even in my full size Corsair Obsidian 750D).

Did you find this review helpful? Yes No

  • Robert S.
  • 12/11/2014 8:20:37 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat PSU

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

Pros: Good selection of cables. Quiet, cool and stable. Fit great in my Rosewill Blackhawk case!

Cons: none

Did you find this review helpful? Yes No

  • Robert F.
  • 12/9/2014 10:16:52 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

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

Pros: Comes with plenty of extra cables. power supply is very stable and quiet

Cons: none so far

Did you find this review helpful? Yes No

  • Eric N.
  • 12/8/2014 12:40:40 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDo Not Buy

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

Pros: None

Cons: Reboots my PC during gaming. Event viewer showing power kernel failure. No OC, temps are ok. Tried another PSU and everything works fine, no reboots. I contacted Newegg for a RMA and was informed that would not be possible since I sent the UPC in for the rebate. What seems to be happening here is that they trade you a rebate for your warranty.This is extremely unfair. I will not be buying anymore CORSAIR products, nor will I recommend them to my friends and customers I do builds for. Do not buy this product, plenty other reviews support this. Buyer Beware. I am now stuck with a faulty PSU. Guess I'll put it back in its little bag and hold a mock funeral for it.

Other Thoughts: NOT fully modular

4 out of 6 people found this review helpful. Did you? Yes No

  • Eric N.
  • 12/8/2014 12:18:39 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDo Not Buy

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

Pros: None.

Cons: Ever since I finished my build, my computer reboots during gaming, crysis 3, far cry 4. Event viewer notes it as a power kernel failure. No OC, no overheating. Also when the fan runs it makes a loud high pitched whine. So I swapped power supplies and everything works fine. No reboots. I contacted newegg for a RMA, they told me this was not possible due to the fact I sent the UPC in for the rebate. What seems to be going on here is they trade you you a $30 prepaid card for your warranty. Now Im stuck with a bad PSU. I will not be buying anymore CORSAIR products. I also will no longer recommend them to my friends and customers I do builds for. Spare yourself and do not buy this PSU. Plenty other reviews back up this up as well. Buyer beware!

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

  • Omari J.
  • 12/8/2014 11:22:11 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsAwesome!

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

Pros: I've had zero problems with this things. Even after some real hardcore usage over the last year this things has proven to outlast other power supplies my friends have purchased. The box and what it came in was probably one of the most epic packages I've ever seen let alone opened. It felt very nostalgic....

Cons: None so far

Did you find this review helpful? Yes No

  • Paul P.
  • 12/7/2014 4:33:39 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPower to the People

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

Pros: Seriously powerful. Not only do I like their memory, but I'm now a fan of their power supplies. Been working great for over a year now.

Cons: None

Other Thoughts: It's driving a development server so no need for redundancy.

Did you find this review helpful? Yes No

  • Erin S.
  • 12/4/2014 5:01:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDo not buy

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

Pros: Worked well while it lasted.

Cons: Popped after a few months of low to moderate use. Don't buy this, waste of money will never buy Corsair again.

Manufacturer Response:

Dear customer,

We're sorry that your HX850 failed after a few months. If you would like a replacement, please contact us by submitting a ticket at corsair.force.com or calling us at 888-222-4346 and we'll be more than happy to help you.

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

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

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Item#: N82E16817139011
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