PBPE-12P4 Home Industrial Computer Passive Backplane & PICMG SBC PBPE-12P4 PBPE-12P4 PICMG 1.3 Backplanes 12-Slot [PCIe x16 (1, x8 signal), PCIe x8 (2, x4 signal), PCIe x4 (4, x1 signal), PCI (4)] Features : Fit for 4U chassis Four USB ports Two SATA ports Support PCIe Gen3 with ROBO8112/8113 series Datasheet Drivers& Manuals Sales Request