Shuttle XPC Accessory PC63J 500W Power Supply for Shuttle XPC H, J and R series Barebone Standard PSU for SX58J3 Power connectors: 1xATX power 20 pins; 1x ATX 12V power 4+4pins 3x Serial ATA power; 2x Molex power; 1x Floppy power 1x PCIE power 6 pins (for graphic card power); 1x PCIE power with 6+2 pins