12V DC Input PC ATX Power Supplies, 12 volt Input, 1000 watts, including 83Amps at 12V regulated output
Amazon.com: T.F.SKYWINDINTL Flex ATX Power Supply 350W 1U Fully Modular PSU 90-264V AC with 1x20/24Pin Mainboard Power,2xSATA Ports, 2xIDE Fan Power for Rack Mount Case Desktop Server POS AIO System : Electronics
Fully Regulated ATX Power Supply – BOGIN, JR.
Supermicro PWS-1K25P-PQ 1000/1200W PS2/ATX 80 Plus Platinum Power Supply