CORSAIR RMx Series (2021) RM850x 850 W Full Modular 80 PLUS GOLD Certified

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CORSAIR RM850x (2021) is a fully modular 850W 80 PLUS Gold certified ATX power supply featuring a magnetic levitation fan, Japanese capacitors, Zero RPM fan mode, and Modern Standby support for high-performance, quiet, and reliable PC 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: N82E16817139272

Description

The CORSAIR RMx Series (2021) RM850x is a premium 850 Watt fully modular ATX power supply designed for high-end gaming and workstation PCs. Featuring an 80 PLUS Gold efficiency certification, it delivers dependable power with lower energy consumption, reduced noise, and cooler temperatures. Its 135mm magnetic levitation fan ensures superior cooling with minimal noise, while the Zero RPM Fan Mode provides near-silent operation at low and medium loads. The RM850x utilizes 100% Japanese 105°C capacitors for enhanced durability and unwavering power delivery. With full modular cabling, only connect the cables your system needs, making clean and tidy builds easier. Modern Standby compatibility offers extremely fast wake-from-sleep times and improved efficiency during low-load states. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine for quiet operation. The RM850x is equipped with a range of protection features to ensure safe and reliable performance, making it an excellent choice for any performance-focused build.

Additional information

Form Factor

ATX

Model

RM850x

Wattage

850W

SKU

N82E16817139272

Modular

Fully Modular

Manufacturer Part Number

CP-9020200-NA

Efficiency Certification

80 PLUS Gold

Dimensions

160mm x 150mm x 86mm

Fan Size

135mm

MTBF

100,000 hours

Fan Type

Magnetic Levitation

Protections

Over Power Protection, Over Temperature Protection, Over Voltage Protection, Short Circuit Protection, Under Voltage Protection

Capacitor Type

Japanese 105°C Aluminum Electrolytic

Connectors

1, 14, 2, 4, 6

Connector Type

EPS12V

Topology

Resonant LLC with DC-to-DC Conversion

Standby Support

Modern Standby Compatible

Zero RPM Mode

Yes

Input Voltage

100-240V

Color

Black

Warranty

10 years

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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.