HP - A6961-60113 - I/O Backplane Board DVD-ROM RX4640 A6961-60113 - HP - RX4640 DVD-ROM Drive I/O Backplane Board $117.58 $99.64
HP - A6961-60213 - I/O Backplane Board DVD-ROM RX4640 A6961-60213 - HP - RX4640 DVD-ROM Drive I/O Backplane Board $117.42 $99.51
HP - A6961-60401 - I/O Board 8-PCI Slots RX4640 A6961-60401 - HP - RX4640 I/O System Board w/ 8-PCI slots $532.46 $451.24
HP - A6961-60013 - I/O Backplane Board DVD-ROM RX4640 A6961-60013 - HP - RX4640 DVD-ROM Drive I/O Backplane Board $91.64 $77.66
HP - A6961-60102 - Backplane Board SCSI Integrity rx4640 Server A6961-60102 - HP - SCSI Backplane Board for Integrity rx4640 Server $155.36 $131.66