KENTEK 680 Watt 680W 120MM 4.72" Metal Guard Grill Fan ATX Power Supply 12V Rail 2.3 EPS12V/ATX12V 4/8 Pin 20/24 Pin PCI-E PCI-Express 6/8 Pin SATA Molex for Intel i3/i5/i7 & AMD MB Board PC System Large single 120mm fan for maximum air flow Quiet Performance and High energy efficiency Ball bearing fan and metal guard grill quiet operation Work on intel AMD mother board PC system. High wattage to suit your upgrade replacement need Short circuit and over voltage protection PCI-Express 6+2 Pin, SATA, Molex, Floppy 20/24 Pin, ATX12V/EPS12V 4/8 Pin