Features: M.2 SSD expansion board For RPi 5, supports PCIE to M.2 NVME SSD, provides fast speed data transmission For variety of specifications, wide applicability, convenient for users to choose the right SSD according to their needs. Easy to install, no need for complex operates, quickly realise the storage expansion of RPi 5. Efficient and stable data transfer, improve performances, accelerate file reading and writing speed, to meet the user's needs for speed and stability. Widely used for Industrial Automation Control, Data Acquisition and Processing and other professional fields that require highly performances. Specifications: size:about 8cm/3.15in Support：PCIE to M.2 NVME Solid Disk Expansion Board For RPI5 Board Package Includes: 1PC PCIE to M.2 NVME Solid Disk Adapter note: Due to problem of lighting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement