Features: 1.The extension cable supports high?speed PCI?E 1X, 4X, 8X and 16X cards, but only works at 1X speed. 2.With dual vertical 90direction design, magnetic foot pad design, easy to install. 3.The compact high?speed flexible cable is suitable for 1U, 2U and ATX/BTX chassis, with golden finger protection cover and dustproof design. 4.Fixed with bolts and nuts to prevent PCB cable soldering points from tearing and short?circuiting. 5.Great workmanship, with axial cable, with stable PCIe Gen3 8Gbps or higher rate. specification:Item Type: Extension Cable Material: PCB Support high-speed PCI-E 1X, 4X, 8X and 16X cards, but only work at 1X speed PCI-E card has a new design with dual vertical 90 directions Installation Notes: 1. Before installation, make sure that the motherboard, graphics card and other PCI-E interface cards are in a power-off state. 2. In order to prevent static electricity from damaging the motherboard and the electronic components on the graphics card, please wear static clothes and anti-static wristbands when installing. If you don't have static clothes and wristbands, please touch the grounded metal objects with your hands before installation to discharge human body static electricity. 3. Before the installation is completed, do not turn on the power to start the computer, this operation may cause damage to the motherboard and graphics card. 4. Please refer to the installation guide for installation. 5. Please keep the motherboard and graphics card away from humid air and dust in order to prolong its service life. Size: Approx. 5.41mm / 0.2in 15mm / 0.6in 58.65mm / 2.3in 15.25mm / 0.6in 44.83mm / 1.8in 1.37mm / 0.1in 150mm / 5.9in PackageList: 1 x User Manual 1 x Extension Cable