FSP Hyper M 85+ 550W 80 PLUS Bronze Certified Semi Modular Active PFC Power Supply (HA550) High Efficiency  85% @ Typical Load with 80PLUS Bronze Certification Complies with ATX12 v2.4 & EPS12 v2.92 Full Japanese E-capacitors Semi Modular Design with Ribbon Cable Global Safety Approved with 5-year warranty | Complete Protections: OCP, OVP, SCP, OPP, OTP