Brand SILVERSTONE Model ST50EF-Plus Type ATX 12V 2.2 Maximum Power 500W Fans 1 x 120mm Industry-leading silent running fan PFC Active Main Connector 24Pin +12V Rails 2 PCI-E Connectors 2 x 6Pin NVIDIA SLI Support YES Modular Cabling Support No Efficiency >80%(at 20%~100% Loading) Over Voltage Protection Yes Input Voltage 100 - 240 V Input Frequency Range 50/60 Hz Input Current 10A @ 115V, 5A @ 230V Output +3.3@30A,+5V@30A,+12V1@18A,+12V2@18A,-12V@0.5A,+ 5VSB@3.0A MTBF 100,000 hours at 25°C, full load Connectors 1 x 24 pin motherboard connector (550mm) 1 x 4-pin ATX12V connector (550mm) 2 x 6-pin PCI-E (550mm) 2 x triple SATA power connectors (500mm + 250mm + 250mm) 6 x 4-pin IDE power connector (500mm + 250mm + 150mm) 2 x 4-pin floppy power connector Features 80 PLUS RoHS