2U 1* PCI-Express x16 + 2* 64bit/3.3V PCI-X Riser Card w/custom length flexible cable.
The middle PCIe x16 riser connector linked with the PCIe gold finger is connected to the motherboard slot-6 (PCIe x16).
The bottom & top (main) PCI-64 riser connectors linked with a custom length flexible cable and 8-wire paddle link are connected to the same bus of PCIX-64 slots on motherboard.
Flexible cables upgradeable to either TPO or Teflon cable with impedance to support higher PCIX bus speed.
For Intel SE7525GP2,7525RP2, Supermicro X6DA8, X6DH8, X6DHE Series, PDSG4/PDSGE, Tyan S2676 (use ARC2-746-C9) etc.