Features: Brand new and high quality Experience lightning-fast transfer speeds of up to 7000MB/s with our PCIE4.0 to U.2 expansion card - a game-changer for data-intensive tasks. Made from high-quality PCB material, this U2 adapter is designed to provide reliable and stable performance even under heavy workloads. Ideal for servers, workstations, and desktops, our IO-PCE8639-U2 model is perfect for professionals who demand top-notch storage solutions. Whether you're transferring large files or running complex applications, our PCIE4.0 to U.2 expansion card will help you achieve maximum efficiency and productivity. With support for 2.5" U2 NVMe SSDs and compatibility with Windows and Linux systems, our product offers unparalleled flexibility and convenience for users. Specifications: Material: PCB Type: U2 adapter card Model: IO-PCE8639-U2 Access bus: PCIe 4.0 x4 Interface type: U2 (SFF-8639) Supported devices: 2.5 "U2 NVMe SSD Scope of application: servers, workstations, desktops, etc Host slot: PCIe x4/x8/x16 System support: Windows/Linux Storage temperature: -65~150 ℃ Working temperature: -40~85 ℃ Package Includes: 1 x U.2 to PCIe4.0 Adapter note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.