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Power Supply

Corsair RM 850W 80+ Gold Certified Fully-Modular ATX Power Supply

( 4.6 Average / 70 Ratings )

Specifications

Manufacturer

Corsair

Part #

RM850
(or) CP-9020056-UK
(or) CP-9020056-NA
(or) CP-9020056-EU

Type

ATX12V / EPS12V

Wattage

850 Watts

Fans

1

Modular

Full

Efficiency Certification

80+ Gold

Efficiency

< 92%

PCI-Express 6+2-Pin Connectors

6

Completed Builds Using This Part

See All Completed Builds

Prices

Merchant Base Promo Shipping Tax Availability Total
Corsair $159.99 $159.99+
Amazon $182.83 +FREE s/h In stock $182.83
( 2 new from $175.99. Last updated 10 minutes ago. )
OutletPC $189.89 $189.89+
* Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Price History (Excluding Tax & Combo Deals) History:

Reviews

vikingXcore 29 points 21 months ago
from completed build Tiny Tina 2.5

Well, it hasn't broke yet. Has cheap chinese capacitors according to some review, but it won't blow up either. Yaaaaaaaaaaaaayyyyyyyyy

Haybale100 7 points 20 months ago
from completed build The Final Wave

The Power Supply is good and gets the job done. but unless you want a hot running system then this is useless. The fan has never run even when maxing out the wattage and temperature ratings for the power supply itself. There is no way to force the fan to spin all because of Corsair's Zero RPM Fanless Mode.

Vampire_ming 38 points 18 months ago
from completed build Minimum

If you have the spare, just go for full modular power. this will save you tons of trouble for cable management.

DustinLuhmann 19 points 18 months ago
from completed build "White Wolf"

I love Cosair PSU's so I can't complain much about have a faulty one...It happens and their custom service helped me with no questions.

KitsuneDaimyo 3 points 16 months ago
from completed build i7s-gtx980-modest

Pros: Excellent, efficient, modular PSU. Cons: The only complaint (and I'm nit-picking, really) is that I felt like the connectors on the PSU itself didn't feel like they "clicked" enough on insert to my satisfaction. Anything power-related feels better when it has a nice big "ker-chunk" (or size-related equivalent) when it's locked in. Will these pop out? Certainly not, but I like the tactile guarantee.

Again, just picking nits. Still rate 5/5.

bmccarthy8989 138 points 16 months ago
from completed build White Widow

This is a great power supply. 80-plus gold certified. This thing is pretty quiet, even under load. No complaints, good price, good quality. Solid buying decision.

Glyphnutz 13 points 15 months ago
from completed build First time gaming build

More than enough power for my system, they were sold out of the 750W

jon.flynn 38 points 13 months ago

Works, powers everything up :)

W3rdn4 18 points 11 months ago
from completed build KEEP IT SIMPLE V2.0

Love it, provided everything I need. Looks cool too.

RobyG78 5 points 11 months ago
from completed build Custom Red and White Phantom 530

Great PSU and it gets the job done all day every day