Features: 1.Widely Compatible: PCI Express 3.0 x16 graphics card extender riser cable is compatible with all graphics devices and backwards compatible with PCIE 2.0 PCIE 1.0. Easy to install, just plug and play. 2.Flexible and Efficient: PCIE 3.0 X16 extender riser cable features a slim, flat and foldable design for transmission efficiency and stability, and easy cable management. 3.Stable Signal: PCIE extension cable features 180 degree EMI (electromagnetic interference) shielded slots for easy installation of vertically mounted GPUs, eliminating signal interference and ensuring optimal performance. 4.PCB Design, High Durability: PCIE 3.0 X16 cable features a 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.Cautions: PCIE 3.0 X16 extender riser cable does not support pce4.0 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: PCIE 3.0 X16 Extender Riser Cable Material: ABS, PCB Interface: PCIE 3.0 X16 PackageList:1 x PCIE3.0X16ExtenderRiserCable NotePlease allow some error in manual measurement.