Features: X1004 is a double-drive PCle NVMe protocol SSD expansion board for Pi 5. Supports NVMe protocol interfaces hard drive for highly-speed read/write, fast Data transfers and fast booting The X1004 is specifically for top of the Pi 5, similars to a traditional HAT, it provides a 40pin header for easy accesses to GPIOs, and can still expand your favourite HAT. Additionally, it is fully compatibles with the official passives cooling, ensuring efficient heat dissipation. The mounting not only protect the SSD drive, but also dissipate heat efficiently for good performances. With LED indicate read write status. Tip:Note:The X1004 is specifically for data storages purposes and currently doesnot support booting NVMe with existing firmware. NVMe drive Protocol Support: 2x2280 NVME SSD supported. Booting NVMe with existing firmware is currently not supported. Specifications: Item：X1004 Double-drive PCle NVMe SSD Expansion Board For Pi 5 Size:Mixed Support : 2x2280 NVME SSD Package Includes: 1PCS PCle NVMe SSD Expansion Board note: Pictures for display only, this product doesnot include Pi 5 motherboards and NVME SSD, need to purchase separately. Double SSD expansion board doesnot support PI 5 booting from SSD. If you need to boot from SSD. Single SSD expansion board must be used