0950-3790 - HP - 650-Watts DC External Power Supply for D3xx 0950-3790 - HP - 650-Watts DC External Power Supply for D3xx $102.81 $87.13
0950-4621 - HP - 650-Watts Redundant Power Supply for RP34XX / RX2600 / 2620 0950-4621 - HP - 650-Watts Redundant Power Supply for RP34XX / RX2600 / 2620 $98.28 $83.29