PBPE-12AA64 Home Products Passive Backplane & PICMG SBC PBPE-12AA64 PBPE-12AA64 12-slot [PCI-X (8), PCIe x16 (1), PCI (2)] Features : Fit for 4U chassis Four USB ports Dual SATA ports Two PCI-X buses support eight PCI-X expansion slot Datasheet Drivers& Manuals Sales Request