The KRYTEN-M3 from AAC Clyde Space is a Satellite On-Board Computer (OBC) with a Smart Fusion 2 SoC including an ARM Cortex-M3 processor. This OBC have 8 MB MRAM for code storage and execution and a 4 GB flash memory for bulk data storage provides ample space for mission data storage. It has a processor clock of 50 MHz and a boot image storage of 256 kB eNVM with 8 MB MRAM. This OBC supports 12C, SPI, UART, RS-422, CAN and DTMF interfaces. It has a mass of 61.9 g and measures 95.89 x 90.17 x 5.51 mm. The OBC is designed for CubeSat and NanoSats operations with a design life of 5 years in LEO orbit and is ideal for commercial missions.