Specifications
2U 1 x PCI-Express 8x and 2 x 64Bit PCI-X For Intel SE7221BK1-E
2U 3-slots PCI-X/PCI-E x8 combo riser card, 2*PCI-X 64bit/3.3V + PCI-E x8 on motherboard slot-6.For PCIX-64 and PCI-E x8 expansions on Intel SE7221BK1-E (PCIX-64 on motherboard slot-4 and slot-5, PCIe x8 on slot-6).