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 MODULAR Only 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 FANS Utilizes 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 CONNECTORS For full compatibility with modern graphics cards and motherboards. Efficiency at its Best 100% JAPANESE 105°C CAPACITORS Premium internal components ensure unwavering power delivery and long-term reliability. Enjoy extremely fast wake-from-sleep times and better low-load efficiency. Certified for Unbeatable Performance 80 PLUS GOLD CERTIFIED High efficiency operation for lower power consumption, less noise, and cooler temperatures. Work Hard for Years to Come TEN-YEAR WARRANTY Your guarantee of reliable operation that will last across several system builds. Specifications Size ATX Edition RM850x Wattage 850 W 80 PLUS Certification 80 PLUS Gold Max. Efficiency (at 230Vac) 92 % Cooling Fan Fans 1 x 135mm Internal +12V Rails Single Rail Rail 1 +12V 70.8 A Rail 2 +12V N/A Rail 3 +12V N/A Rail 4 +12V N/A Rail 5 +12V N/A Rail 6 +12V N/A Max. Combined Output +12V 70.8 A Modular Yes Modularity Full Modular SLI/CrossFire Yes EPS 12V Yes Motherboard Connector 24-pin Connectors 3 x 4+4-pin CPU +12V (EPS) 4 x 4-pin Molex 2 x 6+2-pin PCIe 14 x SATA Dimensions 150 x 86 x 160 (WxHxD) Package Type Retail Additional Information Model Number CP-9020200-UK GTIN 2104717100009