MH596 0MH596 CN-0MH596 280W For Dell Optiplex GX520 GX620 Power Supply L280P-01 - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.
Refurbished: DELL MH596 280 W Power Supply - Newegg.com
DELL, POWER SUPPLY, OPTIPLEX, L280P-01, MH596, PS-581-5DF-LF, 280 WATTS : IRONTIME SALES INC.