Eathtek Replacement 240W Power Supply For Dell Optiplex 390 790 960 990 Small Form Factor SFF Systems H240AS-00 AC240AS-00 L240AS-00 H240ES-00 D240ES-00 DPS-240WB series Compatible Model Number: Optiplex 390 790 960 990 H240AS-00 3WN11 03WN11 Compatible Part Numbers: AC240AS-00 L240AS-00 AC240ES-00 H240ES-00 D240ES-00 DPS-240WB RV1C4 J50TW 709MT 592JG 66VFV 3YKG5. Replacement and high quality,Replace your faulty, cracked or broken power supply Each power supply is tested before shipping All pictures are taken from the real item, please check carefully before bidding.