Linkworld Electronic 80+ Bronze 300W SFX Power Supply LPSF685-30 Support Standard SFX Form Factors and ATX/Micro ATX Via Included Bracket 300W Continuous Output for 24/7 Operation 80 PLUS Bronze Certified Efficiency Performance 82%~85% Efficiency At 50% Loading Dual PCI-E 6-Pin Connectors Active PFC Cooling System: Silent 80mm Fan 4+4 -Pin 12V Power Connector