240W Dell Optiplex 3010 PC power supply for Dell OptiPlex 790 990 SFF PSU 240W power supply - Portable-Adapter.com
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3NW11 Dell Power accessory
Amazon.com: BINGKERS 240W H240AS-00 Power Supply Fit for Dell OptiPlex 390 790 960 990 3010 7010 9010 Small Form Factor SFF System Desktop Computer 3WN11, L240AS-01 : Electronics
Dell OEM Optiplex 790 990 SFF Small Desktop Power Supply