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Corsair > 
Item#: N82E16817139056

CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

  • ATX12V v2.31 and EPS 2.92
  • Full Modular
  • 80 PLUS GOLD Certified
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.
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.
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Learn more about the Corsair RM850

Model

Brand
CORSAIR
Model
RM850
Series
RM Series

Spec

Type
ATX12V v2.31 and EPS 2.92
Maximum Power
850W
Fans
1
PFC
Active
Modular
Full Modular
Efficiency
92 %
Energy-Efficient
80 PLUS GOLD Certified

Features

Features
The latest ATX12V v2.31 and EPS 2.92 standards and it is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems.

4th generation IntelR Core. processor Ready (Intel Haswell and Z78 motherboards)

80PLUS Gold certified, delivering over 92% energy efficiency at real world load conditions.

The completely modular cable system allows you to use only the cables you need.

Low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis.

High-quality Japanese capacitors provide uncompromised performance and reliability.

A five year warranty and lifetime access to Corsair's legendary technical support and customer service.

Active Power Factor Correction (PFC) with PF value of 0.99.

Universal AC input from 100~240V.

Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components.

Safety and Agency Approvals: FCC, ICES, CE, C TUV US, RCM, TUV, CB, CCC, BSMI, GOST, ROHS, WEEE, ROHS, KC, TUV-S

Model

Brand
Corsair
Model
RM850
Model Name
RM850

Dimensions & Weight

Weight
8.6

Quick Info

Warranty

  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years


Customer Reviews of the Corsair RM850

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Showing 53 of 53 reviews - Clear Filters

  • Bryan M.
  • 11/25/2014 5:26:57 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsrm850

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: very quiet

Cons: stopped working after 5.5 months,so now I have to pay for shipping from fl to ca ,corsair will replace it but no refund.

Did you find this review helpful? Yes No

  • thomas r.
  • 10/15/2014 10:09:02 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDead after 1 week

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: corsair name generally means good

Cons: lasted 1 week, fan doesnt ever come on so it gets hot, should have option to turn fan off or on not just off till 50% load not exactly sure why it died. shut off a few times on its own. then just dead after 1 week. RMA

Manufacturer Response:

Dear customer,

We're sorry to hear that your RM850 stopped working. While we understand your concern regarding the PSU overheating, but at this time we don't beleive that it is the cause of the product failing. If you haven't already please submit a ticket at corsair.force.com or call us at 888-222-4346 and we'll be happy to issue you 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

  • Mike M.
  • 10/5/2014 2:41:51 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDOAx2

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: None

Cons: DOA x2 - Ordered this a few months ago when on sale to replace my old power supply ... arrived DOA - these things happen. Ordered it again when I wanted to build a new gaming box... arrived DOA again - no excuse for this except poor quality control - DO NOT BUY a Corsair Power Supply !

Other Thoughts: Maybe I just have bad luck or maybe Corsair has exceptionally poor quality control - do you want to take that chance ?

Manufacturer Response:

Dear customer,

We're sorry to hear about your troubles with the RM850. Since you received two DOAs, we suggest you contact our Tech Support by submitting a ticket at corsair.force.com or calling us at 888-222-4346 and we'll be happy to troubleshoot the issue.

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

  • Trevor J.
  • 9/26/2014 6:26:29 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGREAT

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: Very slim, light weight. Ultra Quiet also.

Cons: Non so far

Did you find this review helpful? Yes No

  • Aakash S.
  • 9/12/2014 5:35:00 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsVery quiet and very easy to use

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: Very quiet and easy to use. Being a modular power supply, allows the user to determine what they need and allows them to reduce the clutter in their case.

Cons: The only concern I had was that the ends of the provided power suppy wires are a bit hard to take off once connected.

For example, I had connected the motherboard 20+4 power supply to the motherboard. I need to take it off to organize my cables a bit better, it took me about 5 minutes to take it off as the holding mechanism of the power supply wire to the port was too stiff and would refuse to budge.

This is a negative and a positive as it prevents your wires coming off from the ports during undesired moments.

Other Thoughts: Overall, 5/5

Did you find this review helpful? Yes No

  • Eric L.
  • 8/13/2014 7:18:23 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsPiece of Junk

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: I'm sure there are some, but it would not stay connected for me to find out.

Cons: The main power cable was so badly made that the latches on each end of the cable did not work. At the slightest touch, the cable fell out of the power supply socket (either one). It also would not latch to the motherboard socket. I'm also not a fan of the super heavyweight, plastic ribbon cables.

Other Thoughts: I've been a fan of Corsair in the past, but construction of the cables was unprofessional. They have lost me as a customer forever.

Manufacturer Response:

Dear Customer,

We're sorry you had a bad experience with the RM850 and we would like to make it right. Please give us a call 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

Did you find this review helpful? Yes No

  • Jason M.
  • 7/11/2014 9:48:52 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsgood psu for the price

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: the best part about this psu is everything is modular and there is plenty of every cable you could want!

Cons: Corsair really should've braided the cables the cables are a bit sloppy and cheap feeling. The cables come out of the psu a bit to easily as I had to plug them in multiple times for them to finally stick and stay in their slots in the psu which is annoying to have to reseat cables 2-3 times

Other Thoughts: It is a good psu and I like it being 100% modular but I'd buy something with braided cables for easier cable management and not this purely because of the cables

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

  • Carlos P.
  • 7/11/2014 12:19:23 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsShweeeet

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: Not a single hitch! Running I7, 16GB RAM, SLI GTX 760s, 4 hard drives, 2 opticals, a Thermaltake Core V71 case with 4 fans, and it just purrs along, replacing the 760s with 770s soon

Cons: None so far except I literally bought it a day before it went on sale :(

Other Thoughts: The clean jobs of the modular cables, lol plus this case, fogetaboutit, my case looks so clean I made a small video on it on that big tube site :)

Did you find this review helpful? Yes No

  • Virginia K.
  • 6/29/2014 4:39:38 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat overall

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: Extremelyyyyyyy quiet

Power consumption is very minimal with fans not turning on until 30-40% load

Corsair product with great warranty, consistent solid performance.

Cons: Anyone buying this I recommend swapping out the cables with high end indivudually sleeved cables from corsair. The sleeved cables are a nice idea but are extremely stiff, and although they can be maneuvered into position rather easily, the PCI Express cables are very awkward to install the way they are sleeved. I have not bought the individually sleeved corsair cables yet but I will be in the future to make them look better.

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

  • Anonymous
  • 6/18/2014 4:38:03 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsgreat very quiet

This review is from: CORSAIR RM Series RM850 850W ATX12V v2.31 and EPS 2.92 80 PLUS GOLD Certified Full Modular Active PFC Corsair RM850 Power Supply

Pros: I bought this to replace a very loud thermal take 650watt. It is silent I've yet to hear the fan come on unless playing a game long term and then it is no louder than the case fans

Cons: the flat cables are hard to route.

Did you find this review helpful? Yes No

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