HP A3311-69002 - Backplane assembly - Backplane Assembly - Mounted Verticly on Rear of Chassis Retail
HP A6144-69102 - PCI I/O backplane board - Has 12 PCI slots - L3000 PCI I/O backplane board - Has 12 PCI slots - Mounts vertically in the chassis Retail
HP 376471-001 - Memory backplane board assembly - Vertically mounted board with four connectors for memory module assemblies - Interconnects the memory modules to the processor board - Mounts behind the memory module bay Sale $49.00 Retail $99.00
HP A3639-69314 - Left PCI I/O backplane board - Has six PCI slots - N4000 left PCI I/O backplane board - Has six PCI slots - Mounts vertically in the left side of chassis Retail