Key Features: Linux preinstalled for ODROID-M1 The eMMC 5.0 storage is ~7x faster than the MicroSD Class-10 card in read tests eMMC Module Reader Board for OS upgrade is sold separately USB3.0 eMMC Module Writer for OS flash is sold separately Ready to run out of the box eMMC Version 5.1 interface or higher version. It is pre-installed with Linux OS making it ready to run out of the box. You will need eMMC Module Reader or USB3.0 eMMC Module Writer to flash or update the OS of the eMMC Module. Both of which are sold separately. You can boot from the eMMC module or a MicroSD card however, the eMMC 5.0 storage is ~7x faster than the MicroSD Class-10 card in read tests. 4K random access performance is reasonably fast too. Item SpecificsPCB revision: 0.4Sequential Write speed (MB/s): Over 125MB/sSequential Read speed (MB/s): 165MB/sTranscend USB multi-slot SD Card reader is not included
