Thermaltake TR2 W0093 500-Watt Power Supply for ATX 12V 2.0 Complies with ATX 12-volt 2.0 version Support 6-pin PCI-Express, 4 SATA, and 20+4 pin connector Low noise 12cm fan and mirror effect casing Power ON/OFF LED indicator: green light indicates power on and orange light indicates stand by mode Protections against Over Current, Over Voltage, and Short-Circuit