The standard kettle-style or figure-8 plug at the back for wall power.
PS3 FAT PSU PINOUT (14-pin connector - view looking at PSU pins) _________________________________________ | [13] [11] [9] [7] [5] [3] [1] | | [14] [12] [10][8] [6] [4] [2] | |_______________________________________| 1-4: GND (Ground) 5: 5VSB (Standby - always on) 6: AC_OK (Power good) 7: PS_ON (Power on signal) 8-10: GND 11: 3.3V 12: 12V (Main rail) 13: 12V (Main rail) 14: GND ps3 fat power supply pinout