Use this power supply to replace your original. Featuring a reduced depth, this power supply has universal compatibility to replace ATX power supply form factors. Work on: Dell Smartstep 100d, 150d, 4g456, 2n333, k2583, k2946, 0k2946, 0k2583, h2678, 0n380, n2286, h2678, hp-2507fw, hp-p2507f3cp, hp-p2507f3c, hp-p2507f3b, hp-p1457f3, dlp2507f3b, dlp2507f3cp Type: ATX Connectors: ATX (20+4) Pin X 1, P4 12V 4-Pin X 1, SATA 15-Pin X 3, LP4 4-Pin X 3, Floppy 4-Pin X 1 Dimensions: 5.9"(W) x 3.4"(H) Frequency: 60 / 50 Hz Input Voltage: 110 / 260 Volts AC Output Voltage: +3.3V 11A, +5V 12A, +12V 8A, +12V2 8A, -12V 0.3A, +5VSB 2A Temperature Range: Operating: 0 C - +50 C on Full Load.