00D0053 - IBM I/O Book Half-Length (models A4X H1X) 00D0053 - IBM I/O Book Half-Length (models A4X H1X) $245.34
00FN553 - IBM Chassis with Air Duct I/O Book for x3950 x3850 x6 00FN553 - IBM Chassis with Air Duct I/O Book for x3950 x3850 x6 $86.54
44X4051 - IBM Full Length I/O Book Bus Extender 44X4051 - IBM Full Length I/O Book Bus Extender $900.00
00FN773 - IBM CRUX I/O Board for x3950 x3850 x6 00FN773 - IBM CRUX I/O Board for x3950 x3850 x6 $107.97