PCle to M.2 expansion board,Compatible with 4 solid-state sizes (2230/2242/2260/2280). Faster reading and writing speed. Supports installation of active radiator,Active radiator can be stacked. Support installation,Hailo-8/8L AI M.2 Module,Supports stacking Hailo-8/8L AI acceleration modules, providing 26/13 TOPS computing power performance improvement. Support M.2 NVMe hard drive protocol,Compatible with 2230/2242/2260/2280 size M.2 hard disks, support Gen2/Gen3 mode, support booting for Raspberry Pi 5 from SSD. Hign-concerned Chemical:None Compatible With:for Raspberry Pi 5 Accessory Type:Extension Board The product appearance and printed words may vary depending on the batch, but this does not affect use. Colour:As Shown Material:PCB+ acrylic Package Contents: 1 * Extension Board 1 * Shell 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.