Features:brand new and high qualityNew design, 180 degree PCI for Express 1x riser card ribbon extender8Gbps PCIE 3.0 transmission efficiency more than 2%.EMI Shielding with Conducting Polymer has no effect on transmission ratePCIE extended without power supply, without secondary USB transferApplicable to high-end sound card, professional acquisition card wireless card, data cards, and so on. Specifications:Item: PCIE X1 Extension CableMaximum Speed: PCIe Gen3.0 8GbpsConnector A: 3.0 PCIe x1 MaleConnector B: gen3.0 PCIe x1 FemaleCable Length: approx 5cm-1.97in /10cm-3.94in /20cm-7.87in/30cm-11.8in/50cm-19.7in Note:Please allow 0-1mm error due to manual measurement, pls make sure you do not mind before you bid.Due to the difference between monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 x Dual 180 Degree PCI-E X1 to X1 Extension Cable