240W Power Supply Unit Replacement For Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor System Sff H240As-00 H240As-01 H240Es-00 D240Es-00 Ac240As-00 Ac240Es-00 L240As-00 Ph3C2 - Newegg.com
Amazon.com: Power Supply 235W Replacement for Dell Optiplex 760 780 960 SFF H235P-00 H2352A0 0PW116 PW116 : Electronics
You can upgrade from 235w to 280w in a Dell Optiplex 380 -760 -780 -960 SFF Systems | DELL Technologies
Replacement For Dell OptiPlex 760 780 960 SFF 235W Power Supply PSU PW116 H235P-00 - AliExpress