Shielding with Conducting Polymer No need BIOS , without USB transfer, stable and . Eight CARDS measured, directly into the motherboard graphics with directly, PCIE extended without power supply, without setting the BIOS, without secondary USB transfer Maximum Speed: PCIe Gen3.0 8Gbps. Connector A: gen 3.0 PCIe x1 Male Connector B: gen3.0 PCIe x16 Female PCIe Gen3.0 8Gbps max PCIE 3.0 transmission efficiency more than 2% Power interface: 4-pin power supply Note:Wire length refers to the part of the visible wire, does not contain the PCB and the connector. Color: Black Material: plastic Package Contents: 1* PCIe 3.0 Riser Card Only the above package content, other products 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.