Dell Optiplex 790/990 SFF 240W 240 Watt 80PLUS GOLD Power Supply D240ES-00 592JG Dell Optiplex 790/990 SFF Power Supply DC Power: 240W Certified: 80 PLUS GOLD Compatible Part Numbers: 3WN11, 03WN11, 709MT, 0709MT, RV1C4, 0RV1C4, J50TW, 0J50TW, 2TXYM, 02TXYM, 592JG, 0592JG, 66VFV, 066VFV Compatible Model Numbers: AC240AS-00, L240AS-00, AC240ES-00, H240AS-00, H240ES-00, D240ES-00, DPS-240WB