/Corsair RM850x (2021)
Price comparisonPC ComponentsReviewsMagazine
AnswrTrack
Wishlist
Price watch
/Corsair RM850x (2021)

Corsair RM850x (2021)

Corsair•PSU•Editor score5 reviewsBest 850W PSU
Expert score: avg1,2Trusted Reviews
Product overview:850 W · 80 PLUS Gold · Fully modular (Type-4 cables) · 135 mm with zero-RPM mode · ATX, 160 mm deepProduct details

Offers:

Checking eBay price …

Price history

We'll let you know when the price drops.

Available nearby

  • ZXbuyZOXSWuppertalfrom$133.63
  • PSProshop.deEssenfrom$137.12
  • ARARLTKölnfrom$134.08
  • OTOTTOLeverkusenfrom$132.68

Top 10 products

  1. 1Corsair RM850x (2021)from$129.00

Price comparison

Sort by:
OfferPrice & shippingPaymentDeliveryShop & rating

  • Corsair RM850x (2021)

    NewEstimated price

    $130.99

    $123.05 + $7.94

    VorkasseVISA

    Delivery: by …

    GLSUPS

    Free 30-day returns

    MFMindfactory
    4,6 (4321)

    Shop details

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $131.99

    $125.44 + $6.55

    MastercardPayPalAmazon Pay

    Delivery: by …

    GLSUPS

    Free 30-day returns

    EXexpert
    4,1 (2310)

    Shop details

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $129.00

    incl. shipping

    Lowest total price$129.00 incl. shipping

    NachnahmeAmazon PayLastschrift

    Delivery: by …

    FedEx

    Free 30-day returns

    ARARLT
    4,2 (640)

    Shop details

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $135.99

    $129.03 + $6.96

    NachnahmeAmazon PayVISAVorkasse

    Delivery: by …

    GLS

    Free 30-day returns

    eBeBay
    5,0 (117423)

    Marketplace · Sold by techtrade24

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $138.03

    $131.56 + $6.47

    MastercardPayPal

    Delivery: by …

    Deutsche PostHermesDPD

    Free 30-day returns

    ZXbuyZOXS
    4,7 (956)

    Shop details

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $135.45

    incl. shipping

    RechnungVorkasseAmazon Pay

    Delivery: by …

    UPSDPDFedEx

    Free 30-day returns

    WTwORTMANN
    5,0 (17)

    Shop details

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $135.99

    incl. shipping

    LastschriftNachnahme

    Delivery: by …

    UPS

    Free 30-day returns

    KLKaufland.de
    4,5 (56449)

    Marketplace · Sold by comtech_shop

    Go to shop

  • Corsair RM850x (2021)

    NewEstimated price

    $136.99

    incl. shipping

    KlarnaAmazon PayRechnungMastercard

    Delivery: by …

    Deutsche Post
    GXGalaxus.de
    4,6 (3310)

    Shop details

    Go to shop

Prices and availability are updated regularly. The respective retailer’s terms apply.

Specifications

Wattage850 W
Efficiency80 PLUS Gold
ModularityFully modular (Type-4 cables)
Fan135 mm with zero-RPM mode
Form factorATX, 160 mm deep
Warranty10 years

Pros

  • •80 PLUS Gold efficiency with a semi-passive zero-RPM fan mode
  • •Fully modular Type-4 cables with wide aftermarket availability
  • •10-year warranty from a major brand
  • •Compact 160 mm chassis fits small ATX cases easily

Cons

  • •No native 12VHPWR cable in the box (available separately)
  • •Slightly pricier than budget 850W Gold alternatives
  • •The 2021 design predates ATX 3.0 transient guidance

Frequently Asked Questions

Is 850W enough for an RTX 4070 Super or RX 7800 XT?

Yes, with plenty of headroom.

Is the RM850x quiet?

Yes. The fan does not spin up until roughly 40% load.

Is there a 12VHPWR cable included?

The 2021 version does not include one in the box.

User Reviews

Sign in to leave a review

Loading reviews...

Available now

$129.00

Go to shop

Parts & Reviews

  • Top Parts
  • All Reviews
  • Imou DB3 Doorbell
  • Imou Cell PT
  • RX 7800 XT
  • Core i7-14700K
  • Samsung 990 Pro 2TB
  • Corsair RM850x
  • Imou Solarpanel

Guides

  • All Guides
  • How to Choose a Graphics Card
  • CPU Buying Guide
  • DDR5 RAM Guide
  • NVMe vs SATA SSD
  • PSU Buying Guide

Articles

  • All Articles
  • Buying Guides
  • Benchmarks
  • Build Guides
  • Comparisons
  • Deals

Compare

  • All Comparisons
  • RTX 4070 Super vs RX 7800 XT
  • 7800X3D vs i7-14700K
  • 990 Pro vs SN850X
  • NH-D15 vs Peerless Assassin

Community

  • Forum
  • My Posts
  • Invite Friends
  • Advertise
  • About Us
  • Contact
Privacy Policy··Terms of Service·Imprint / Terms
USA·Deutschland·Polska·中国

Affiliate Disclosure: AnswrTrack is an independent affiliate comparison site for PC components. We may earn commissions from retailers and manufacturers when users buy through our external links. This compensation does not influence our testing methods, ratings, or editorial independence.

Product & Price Disclaimer: Specifications, prices and availability are provided for reference only and change frequently. They may differ by region and retailer — always confirm details with the retailer before purchasing. All trademarks are the property of their respective owners.

© 2026 AnswrTrack. All rights reserved.