0RM117 - Dell 275-Watts 200-240V AC 3A 47-63Hz Power Supply for OptiPlex 755 SFF
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Dell Optiplex 755 Power Supply SFF RM117 - Discount Electronics
PW124 0PW124 CN-0PW124 275W For Dell Optiplex 755 SFF Power Supply D275P-00 - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.