Corsair RM850x 850 Watt Fully Modular 80+ Gold PSU/Power Supply

850W Corsair RMx Series RM850x, Fully Modular, 80PLUS Gold, Single Rail, 70.8A, 135mm Fan, ATX PSU
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Scan code: LN115776 Manufacturer code: CP-9020200-UK

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RMx Series™ RM850x Fully Modular ATX Power Supply from CORSAIR

BRING POWER TO YOUR PLAY CORSAIR RMx Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. RMx PSUs use only Japanese 105°C capacitors, for long life and reliability backed by a ten-year warranty. A 135mm magnetic levitation bearing fan ensures high performance coupled with low noise. Wake your computer faster and consume less power with support for Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you need only connect the cables your system requires. An RMx PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.

850Watts

ATXForm Factor

Make Installation a Breeze

Fully ModularOnly connect the cables your system needs, making clean and tidy builds easier. LLC Topology with DC-to-DC Conversion provides clean, consistent power, reduces coil whine for quieter operation, and enables use of more energy efficient sleep states

Power has Never been Cooler

135mm Magnetic Levitation FansUtilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability. At low and medium loads the cooling fan switches off entirely for near-silent operation.

Designed for any Build

Triple EPS12V ConnectorsFor full compatibility with modern graphics cards and motherboards.

Efficiency at its Best

80 PLUS Gold CertifiedHigh efficiency operation for lower power consumption, less noise, and cooler temperatures.

Work Hard for Years to Come

Ten-Year WarrantyYour guarantee of reliable operation that will last across several system builds.

Buying Guide

Not sure which power supply is right for you? Read our Power Supplies Buying Guide

Power Supply units
Date Issued: 28th Apr 2020

Power-supply units, or PSUs, are an integral part of any computer build. Often overlooked, it is the component that is likely to last the longest, and it can be moved between systems when you upgrade to the latest and greatest in the future.

80 Plus certification
Date Issued: 18th Nov 2010

Conceived back in 2004 and brought to market just a year later, the 80 PLUS initiative is one of many standards introduced in an effort to increase energy efficiency in modern technology. Targeting computer power supplies, it awards PSUs that are able to achieve an energy efficiency of over 80 per cent at varying workloads and a power factor of 0.9 or more at 100 per cent load.