・ 80Plus Gold authentication acquisition 550W High durable power supply unit ・ All liquid capacitors are made of 105 ℃ capacitors made by Japanese manufacturers ・ Full modular type that can only use necessary cables ・ Automatic rotation number control compatible 140mm magnetic floating bearing fan ・ ZERO RPM Fan Mode corresponding to fanless operations ・ Modern standby compatible ・ Servergrade quality design that can withstand 50 ° C in a harsh environment ・ Excellent protection circuit design, various safety certification acquisition and long -term 10 -year warranty ・ Corsair RM550X 2021- Output 550W Standard ATX12V V2.4 and EPS 2.92 Standards Mounting fan Automatic rotation number control compatible 140mm magnetic floating bearing fan Fan control ZERO RPM Fan Mode Modern Standby Response ICUE non -support Protection circuit Over -voltage protection (OVP), low voltage protection (UVP), short circuit protection (SCP), hyper -temperature protection (OTP), overload protection (OPP) MTBF 100,000 hours 80plus Gold Guarantee 10 years body size 160 × 150 × 86 mm (L × W × H) body weight about 1.5kg Package size 267 × 214 × 129 mm (L × W × H) Package weight about 2.6kg