XW596 - For Dell Inspiron & Vostro Desktop 300W Power Supply - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.
Vostro Power Supply - Parts-Dell.cc
Dell L265EM-00 - 265W Power Supply for Optiplex 390 790 990 3010 MT Precision T1600 - CPU Medics