H275E - Dell - 275-Watts 100-240V AC 50-60Hz Power Supply for Optiplex 740/745 H275E - Dell - 275-Watts 100-240V AC 50-60Hz Power Supply for Optiplex 740/745 $82.27 $69.72
L270P-00 - Dell - 275-Watts Power Supply for OptiPlex GX620 L270P-00 - Dell - 275-Watts Power Supply for OptiPlex GX620 $90.06 $76.32