1. design, right angle double head 2. Maximum speed: PCIe Gen3.0 8Gbps.3. Connector A: Gen 3.0 PCIe x1 male 4. Connector B: left angled female PCIe x1 gen3.05. PCIE 3.0 transmission efficiency exceeds 2 percent 6. EMI shielding with conductive polymer7. No need BIOS without USB transfer, stable and durable, 8. Eight cards measured, directly on the Motherboard image with directly, PCIE extended without power supply, without setting BIOS, without secondary USB transfer9. Applicable to high-end sound card, professional acquisition card, network card, wireless card, data cards, etc.colour: blackMaterial: PEandTPEsize: Length: 5cmPackage Contents: 1 x Dual 90 Degree PCI-E X1 to X1 Extension CableOnly the above package content, other products are not included.Note: Light 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.