PBPE-13A4 Home Industrial Computer Passive Backplane & PICMG SBC PBPE-13A4 PBPE-13A4 PICMG Backplane 13-slot [PCIe x16(1), PCIe x16(2, x1 signal), PCIe x4(5, x1 signal), PCI(4)] Features : Fit for 4U chassis Four USB 2.0 ports Dual SATA II ports Datasheet Sales Request Drivers& Manuals