U5427 - Dell 160-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex GX270 GX280 U5427 - Dell 160-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex GX270 GX280 $215.28
NPS-250KBF - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 NPS-250KBF - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 $246.81
NPS-250KBD - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 NPS-250KBD - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 $128.15
NPS-250KBB - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 NPS-250KBB - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 $113.85
NPS-250KB - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 NPS-250KB - Dell 250-Watts 100-120V 200-240V Power Supply for OptiPlex GX270 GX280 $184.98
T0259 - Dell 210-Watts 100-120V / 200-240V Power Supply for OptiPlex GX270 GX170L GX280 T0259 - Dell 210-Watts 100-120V / 200-240V Power Supply for OptiPlex GX270 GX170L GX280 $106.77