PRISTINE WHITE CASINGNow available in an elegant white finish to make your build truly stand out.  TUNED FOR LOW NOISE OPERATIONA specially set fan curve ensures that, even at full load, fan noise is kept to a minimum.80 PLUS GOLD CERTIFIEDThe RMx White can deliver power with over 90% efficiency, lowering energy consumption, noise, temperatures, and your power bill. 100% ALL JAPANESE CAPACITORSBy using high-end electrolytic capacitors, the RM850x delivers the unwavering power and long-term reliability you’ve come to expect from a CORSAIR power supply. ZERO RPM FAN MODEAt low and medium loads the RM850x’s cooling fan doesn’t spin until you need it, for near-silent operation.FULLY MODULAR, FLAT CABLESFlexible fully modular, flat white cables mean that you only connect the cables your system needs, making clean and tidy builds easier. TEN-YEAR WARRANTYCORSAIR offers a ten-year warranty on all RMx series power supplies, your guarantee of reliable operation that will last across several system builds. If you run into any problems during the installation or use of an RMx power supply, CORSAIR global customer support is ready to help.COMPATIBILITYATX12V v2.4 and EPS 2.92 standards