39Y6972 - IBM - Power Backplane Board for System x3550 39Y6972 - IBM - Power Backplane Board for System x3550 $30.73 $24.99
49P2180 - IBM - Power Supply Cage with Backplane for System X235 49P2180 - IBM - Power Supply Cage with Backplane for System X235 $77.42 $65.61
43W8673 - IBM - Power Backplane for System X3850 M2 (7141) 43W8673 - IBM - Power Backplane for System X3850 M2 (7141) $101.73 $82.71