HU255ES-01 Dell 255-Watts Power Supply for Dell OptiPlex 9020
M9GW7 255W For Dell Optiplex 3020 / 7020 / 9020 SFF Power Supply - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.
Dell Optiplex 9020 AIO All in One Power Supply 200W L200EA-01 PS-2201-09DB CJ4XJ | eBay
Dell OptiPlex 3020 7020 9020 SFF Power Supply 255W AC255AS-00
Amazon.com: AC255ES-00 PCB050 255W Power Supply Compatible with Dell Optiplex 3020 7020 9020 Precision T1700 Small Form Factor SFF Systems : Electronics
Dell 0T4GWM OptiPlex SFF 3020 7020 9020 255W Power Supply Unit