Corsair RM850 850 Watt 80+ Gold Fully Modular PSU/Power Supply

850W Corsair RM Series RM850 Full Modular, 80PLUS Gold, SLI/CrossFire, Single Rail, 70.8A, 135mm Fan, ATX PSU
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Scan code: LN98797 Manufacturer code: CP-9020196-UK

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RM Series™ 80 PLUS Gold RM850 ATX Power Supply from CORSAIR

FULLY MODULAR, UNMATCHED POWER The RM Series™ RM850 power supply from CORSAIR has been engineered with premium quality components to deliver unmatched power for your PC. It offers incredible 80 PLUS Gold efficiency to give you the greatest power usage. RM PSUs utilize industrial-grade, 105°C-rated capacitors for impeccable performance and stability, all backed by a generous ten-year warranty. Boot up your computer with blazing-fast speeds whilst consuming less power, with the RM Series™ PSUs coming with support for the new Microsoft Modern Standby sleep mode. Zero RPM mode ensures silent operation when powering low or medium loads, and the fully modular cables make PC building a breeze. This silent GOLD PSU is also SLI ready so you can power multiple GPUs, and is quiet, efficient and dependable enough to power your dream system for years to come.

Fine-Tuned for Perfectly Silent Operation

VERSATILE LOW-NOISE PSU With the use of a 140mm rifle bearing fan, the CORSAIR RM Series™ PSU fan utilizes an intricately calculated fan cure that ensures fan noise is kept to a minimum, even at full load, to provide you with a silent yet effective power supply. The fan also uses a clever Zero RPM fan mode, which at low and medium loads, the cooling fan turns off completely for even more silent operation.

The Perfect Fit for any High-End Build

COMPACT AND FLEXIBLE SIZE The RM Series™ from CORSAIR is built with a 160mm-long casing that ensures an easy fit in almost all modern PC cases, so you can build your dream system with total ease.

Enjoy all the Connections you Need

FULLY MODULAR CABLES & SLI CAPABLE Make a beautiful, tidy build with the easy-to-use fully modular cables. You only need to connect the cables you need, which makes cable management easier than ever. The RM Series™ is also SLI ready so you can get greater performance by connecting multiple GPUs.

Intuitive Technology for Excellent Power Saving

MICROSOFT MODERN STANDBY The CORSAIR RM Series™ are compatible with Microsoft Modern Standby. This allows your PC to wake up from sleep mode in record speeds, and offers a better low-load efficiency, providing you with super-fast and power-efficient performance.

Fortified Efficiency for Years to Come

80 PLUS GOLD & 10 YEAR WARRANTY The CORSAIR RM Series™ have been rated at 80 PLUS GOLD efficiency, meaning they provide efficient and reliable power to all of your components inside your PC all the time. CORSAIR also provides a generous 10-year warranty so your power will be future-proof and performing at the highest level for years.

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.