Part Number: Compute Module 5 IO Board Official RPi Compute Module 5 IO Board, A Development Platform And Reference Base-board Designed For CM5, Suitable For All Variants Of Compute Module 5 Supports M.2 NVMe Solid State Drive. Faster reading/writing speed compared to the Micro SD slot of Raspberry Pi, greatly improving reading/writing efficiency of the system or files, support booting Raspberry Pi from NVMe Solid State Drive Compatible with multiple M.2 Drive sizes, supports 2280 / 2260 / 2242 / 2230 form factors.