New Psu For Optiplex 390 790 960 990 3010 7010 9010 Sff 240w Desktop Power Supply H240as-00 3wn11 03wn11 - Pc Power Supplies - AliExpress
PS-5241-5DG Dell 240-Watts Power Supply for OptiPlex 390 / 790 / 990 / 3010 / 7010 / 9010
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Dell G4V10 250W Power Supply for OptiPlex 390 790 990 3010 7010 9010 DT | eBay
1N56T 01N56T CN-01N56T 240W For Dell Optiplex 390 3010 9010 990 Power Supply D240ES-00 - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.