Corsair CMPSU-550VX 550-Watt VX Series 80 Plus Certified Power Supply compatible with Core i7 and Core i5 Dedicated +12V rail offers maximum compatiblity with latest components 6 Serial ATA connectors Over Current/Voltage/Power Protection Dimensions: 150mm(W)x86mm(H)x140mm(l) MTBF: 100,000 hours