The PCIe x8 3.0 dual-port, switch-based cable adapter has a DMA controller and optional NT ports. It doesn''t require additional drivers and supports both host and target modes. The cable adapter comes with a standard height bracket installed.The host adapter installs in the host computer''s PCIe x16 I/O slot, allowing communication between the processor and multiple I/O pointsInsert the host cable adapter into a PCIe Gen3 x16 in the host system slot. Make sure that the card is well seated and tighten the screw on the face plate. Attach the cable by first pulling back on the retractor ring. With the keyed slot aligned with the connector key ridge on the slot cover, insert the cable connector into the connector shell on the board until the connector teeth snap securely into the holes in the cable shell.