MNT Research MREF-CM4BPI-V10-R01 System-On-Modules - SOM This is the MNT Reform CM4 A311D Processor Module Bundle that increases the performance of your MNT Reform laptop using the RCM4 Processor Module Adapter. The A311D is power efficient, has stable Linux support, 4 GB LPDDR4 RAM, and integrated Bluetoo