8x Oculink SFF-8612 SFF-8611 to PCIE PCI-Express 16x Adapter with ATX 24pin Power Port for Mainboard Graphics Card. Oculink cable and host adapter are not included. Oculink 8x connectors are internal and external small form factor PCI-E connectors and cables optimized for the client and market. This oculink pci-e converter enables belowing applications. One PCIE PCI-Express 16x 4x device can be connected,The converter can be installed into the system internally through the SFF-8611/8612 oculink 8x interface. The converter support all standard PCI-E 16x 8x 4x card, like USB,LAN,1394,Audio,Graphics Card. The atx power port support 12V power. Please connect the extral power for your PCI-E card if the power is insufficient. (The switch is for ATX power) Note:Non-, please purchase with caution. Colour:Black Material:PC+Metal Package Contents: 1 * PCI-Express Adapter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.