TUNED FOR LOW-NOISE OPERATIONRMx power supplies are tuned with a low-noise fan curve to ensure that, even at full load, fan noise is kept to a minimum.80 PLUS GOLD CERTIFIEDThe RM550x can deliver power with over 90% efficiency to keep energy consumption, noise, temperatures, and your power bill low. 100% ALL JAPANESE 105°C CAPACITORSBy using high-end electrolytic capacitors, the RM550x 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 RM550x’s cooling fan doesn’t spin until you need it, for near-silent operation. COMPACT SIZEThe RM550x’s 160mm-long casing ensures an easy fit in almost all modern enthusiast PC casesFULLY MODULAR CABLESThe RM550x’s fully modular power 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.