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 gen3.0 5. PCIE 3.0 mission efficiency exceeds 2%. EMI shielding with conductive polymer No need BIOS without USB fer, stable and durable, Eight cards measured, directly on the Motherboard image with directly, PCIE extended without power supply, without setting BIOS, without secondary USB fer Applicable to high-end sound card, professional acquisition card, network card, wireless card, data cards, etc. colour: black Material: plastic size: Cable length: 10cm/5cm/20cm Package Contents: 1 x Dual 90 Degree PCI-E X1 to X1 Extension Cable Only the above package content, other products are not included. Note: Light shooting 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.