CORSAIR RM550x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Using only Japanese 105?C capacitors, users can depend on an RM550x PSUs\' long life and reliability, backed by a ten-year warranty. Zero RPM Mode means an RM550x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM550x PSU has everything you need to power your high-performance PC for years to come. Features 80 PLUS Gold certified for lower power consumption, less noise and cooler temperatures. Tuned for low noise operation even at full load. Zero RPM fan mode for near-silent operation at low to medium loads. 100% industrial-grade, 105?C rated Japanese capacitors ensure unwavering power and reliability. Ten-year warranty for complete peace of mind. Fully Modular Cables Specifications Ability to toggle singlemultiple 12V rails No ATX12V Version v2. 4 Continuous output rated temperature C 50?C Continuous power W 550 Watts Fan bearing technology Rifle Bearing Fan size mm 140mm MTBF hours 100; 000 hours Multi-GPU ready No Warranty Ten years 80 PLUS Efficiency Gold PSU Form Factor ATX Zero RPM Mode Yes Cable Type Low-Profile, All Black Dimensions 150mm x 86mm x 160mm Connectors ATX Connector 1 EPS Connector 1 Floppy Connector 1 Modular Fully PCI-E Connector 2 SATA Connector 6