Amazon.com: Upgraded New F255E-01 255W Power Supply Compatible with Dell Optiplex 580 760 780 960 980 DT PSU Replacement Parts D255P-00 AC255AD-00 L255P-01 V6V76 RM110 FR597 for Dell Power Supply : Electronics
New PC Power Supply Upgrade for Dell OptiPlex 990 MT Mini Tower Desktop Computer | eBay
Solved: power unit upgrade - Dell Community
Amazon.com: 400W Power Supply Upgrade for Dell Slimline Optiplex 390 790 7GC81 6MVJH : Electronics
Amazon.com: 400W Power Supply Upgrade for Dell Slimline Optiplex 390 790 7GC81 6MVJH : Electronics
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