Features: 1.PLUG AND PLAY: PCIE 3.0 X16 graphics card extension cable, compatible with all graphics devices, easy to install, just plug and play. Backward compatible with PCIE 2.0 and PCIE 1.0. 2.FLEXIBLE DESIGN: PCIE 3.0 X16 riser cable features a slim, flat and foldable design that is bendable and flexible for high transmission efficiency and stability, and easy cable management. 3.SIGNAL INTERFERENCE ELIMINATION: 180 degree EMI (electromagnetic interference) shielded slots allow easy installation of vertically mounted GPUs, eliminating signal interference and ensuring optimal performance. 4.PCB DESIGN: High frequency, low resistance PCB design to reduce interference and ensure optimal performance, enhanced protection against signal loss, and enhanced durability when connecting motherboard and adapter cables are folded or twisted to maximize internal space and optimize. 5.NOTE: The product does not support pcie4.0 mode of operation, if you need to use in 4.0 devices, please plug the graphics card directly into the motherboard into the BIOS settings to modify the pcie to gen3.0 mode before connecting the extension cable to use. specification:Item Type: Graphic Card Extension Cable Material: ABS, PCB Interface: PCIE 3.0 X16 PackageList:1 x GraphicCardExtensionCable NoteAll data are measured manually, and there are certain errors in the measurement results.