New design, right angle double head Maximum speed: PCIe Gen3.0 8Gbps Connector A: Gen 3.0 PCIe x1 male Connector B: left angled female PCIe x1 Gen3.0 PCIe 3.0 transmission efficiency exceeds 2% EMI shielding with polymer No BIOS required, no USB transfer, stable and durable Supports up to eight cards, connects directly to the motherboard PCIe extension without external power supply, no BIOS settings required, no secondary USB transfer Compatible with high-end sound cards, professional capture cards, network cards, wireless cards, and data cards Color: black Material: plastic Cable length: 20cm Package includes: 1 x Dual PCI-E X1 to X1 Extension Cable Note: Lighting and display differences may cause slight color variation between the image and the actual item Measurement error allowance: +/- 1-3cm