Dell - PS-5161-1D1S - Power Supply 160W OptiPlex GX270 PS-5161-1D1S - Dell - 160-Watts Power Supply for OptiPlex GX270 $495.54 $419.95
IBM - 60G2167 - Power Supply 175W ATX 110-220V AC 60G2167 - IBM - 175-Watts ATX 110-220V AC Power Supply $270.04 $219.55
Dell - PS-5161-7DS - Power Supply 160W AC PS-5161-7DS - Dell - 160-Watts AC Power Supply for OptiPlex GX280 $117.00 $99.15