CORSAIR RMx Series (2021) RM850x 850 W Full Modular 80 PLUS GOLD Certified – ATX 3.0 80+ Gold (1000W)

(0 customer reviews) SKU: 17-139-303
$189.99
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10 in stock

CORSAIR RMx Series RM850x (2021) is a fully modular 850W ATX 3.0 power supply with 80 PLUS Gold certification, designed for high-performance gaming PCs and advanced desktop builds.

  • Tool-free installation with slide-and-lock design
  • USB 3.0 with 5Gbps transfer speed and UASP acceleration
  • Compatible with 7mm and 9.5mm 2.5" SATA HDD/SSD
  • Aluminum housing with effective heat dissipation
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SKU: 17-139-303

Description

The CORSAIR RMx Series (2021) RM850x is a high-performance, full modular ATX power supply designed for enthusiasts and demanding PC builds. With an 80 PLUS Gold certification, this PSU delivers up to 90% energy efficiency under real-world conditions, reducing power consumption, heat, and noise. The RM850x features ATX 3.0 compatibility for next-gen hardware, including PCIe 5.0 graphics cards. Its fully modular cables make installation and cable management easy and clean, while premium Japanese capacitors ensure long-term reliability and stability. The 135mm low-noise fan offers quiet operation, and extensive protections safeguard your system from electrical hazards. Backed by CORSAIR’s reputation for quality, the RM850x is an ideal choice for gaming PCs, workstations, or any advanced desktop build.

Additional information

Brand

CORSAIR

Model

RM850x

Modularity

Full Modular

SKU

17-139-303

Wattage

850W

ATX Version

3.0

Max Output

1000W

Form Factor

ATX

Series

RMx Series (2021)

Color

Black

Modular

Full Modular

Efficiency Certification

80 PLUS Gold

ATX Standard

ATX 3.0

Input Voltage

100 – 240 V

Fan Size

135mm

Protection

OCP (Over Current Protection), OPP (Over Power Protection), OTP (Over Temperature Protection), OVP (Over Voltage Protection), SCP (Short Circuit Protection), UVP (Under Voltage Protection)

Connectors

1 x 24-Pin ATX, 12 x SATA, 2 x 4+4-pin, 4 x Peripheral, 6 x 6+2-Pin PCIe

Dimensions

160mm x 150mm x 86mm

MTBF

100,000 hours

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Frequently Asked Questions

  • This product comes with a standard 2-year manufacturer warranty that covers any defects in materials and workmanship.
  • Please check the detailed specifications to ensure compatibility with your system. If you're unsure, our customer support team can help you determine compatibility.
  • Yes, we offer professional installation services for an additional fee. Please contact our support team to arrange for installation.