Advanced PCIe 5.0 x4 Technology: Experience blazing-fast data transfer speeds up to 128Gbps with our M.2 NVMe to PCIe x16 eGPU Adapter. Designed for high-performance computing. High-Quality Four-Layer PCB: Crafted with a four-layer high-frequency impedance board, our adapter boasts stability and integrity. and Reliable Connection: The adapter features a 10µ gold-plated gold finger, enhancing its resistance to frequent plugging and unplugging. Innovative FFC Wire Design: Our adapter utilizes a flat cable design with comprehensive shielding and a mere 0.5mm thickness. Optimized for Versatility: Whether upgrading a compact NUC, enhancing a gaming ITX build, or boosting a professional or Notebook setup, our PCIe 5.0 adapter is engineered to unlock new levels of performance. : Model:F43SG-BK7 Product name:M.2 NVMe key M to PCI-E 5.0 X16 graphics card extension cable Cable length:25cm Speed bandwidth:PCIe 5.0 x4, gen5 128G/ Graphics card compatibility:Supports new graphics cards shipped after 2015 (old graphics cards shipped before 2015 are not supported) Motherboard compatibility:ITX/ motherboard,NUC, only supports M.2 NVMe interface,does not support M.2 SATA interface,does not support M.2 WiFi interface,does not support M.2 WWAN interface,does not support USB interface Power supply description:Supports standard ATX 500W or above power supply,the buyer needs to prepare the power supply In addition to ,this product also supports NUC motherboards, motherboards,ITX motherboards,and graphics card externals.It can only be used if there is an M.2 NVMe interface. Colour:Black Material:PCB Package Contents: 1 x M.2 NVMe key M to PCI-E 5.0 X16 graphics card 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.