1. High-Speed PCIe 4.0 Extension Cable Compatibility: The gpu mounting bracket comes with a PCIe 4.0 extension high-speed cable compatible with most GPU/motherboard components, supporting PCIe 4.0/3.0/2.0/1.0 applications. For motherboards with PCI-E 4.0 specifications, enter the motherboard BIOS to manually set the PCI-E option to 4.0 (GEN4), ensuring optimal performance and compatibility. 2. Enhanced Performance with Shielding: Our graphics card holder kit features a PCIe adapter cable made from the latest materials, offering effective shielding to prevent interference and performance degradation. This attention to detail ensures your GPU operates at its without being compromised by external factors. 3. Optimal Cable Length and Connector Design for Easy Installation: The video card support kit is designed with a 15 cm cable length and a 90 female PCIe connector, minimizing cable strain and allowing for easy GPU installation in compatible cases. This thoughtful design caters to both functionality and aesthetic, ensuring a seamless fit within your system. 4. Transmission Speed Considerations for Maximum Compatibility: The gpu mount graphic card bracket 's performance is subject to the compatibility between the motherboard and the graphics card. It's important to note that the actual transmission speed match the lower version of either the PCI-E graphics card or the motherboard's PCI-E 16X slot Colour:black Material:plastic Vertical Graphics Card Holder Kit with 15cm PCI-E 4.0 X16 Riser Cable Video Card Support Kit 90 Degree Right Angle GPU Mount Graphic Card Bracket The rear PCI cannot be completely removed and installation is not supported. It requires 7 PCI slots at the rear and no fans at the bottom to install. Package Contents: 1 * 90 Degree GPU Mounting Bracket 1 * Pcie4.0 Extension Cable Only the above package content, other products are not included. Note: Light reflection 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.