A-Power AP 420W 20-pin Dual-Fan MicroATX Power Supply w/SATA. This A-Power ATX Dual Fan Power Supply is a high performance power supply and a best upgrade for your PC system featuring 20 pin MicroATX power connector, three great Molex power connectors, single floppy connector, one 12V power connector and three Serial ATA (SATA) connectors. It also features twin 80 mm fans to chill your PC eliminating all overheating worries with operation to whisper-quiet levels along with single +12V rail. A-Power 450 Watt 20-pin ATX Dual Fan Power Supply w/ SATA Support - 420W (RETAIL). A-Power AP420 420 Watt Power Supply 20-pin Dual-Fan ATX w/ SATA 420W.