Available in versions for rugged and benign environments, Nexus Quattro provides flexible asymmetric multiprocessing architecture that allows its 4 processors to operate as independent computing nodes. This 6U VME board, based on Freescale 1.1 GHz MPC7447A and 1.4 GHz MPC7448 processors with PowerPC cores, can operate as single multiprocessor or in multiple board combinations. It comes with 256 or 512 Mbyte DDR266 SDRAM with ECC per CPU and 2 IEEE P1386 PMC sites.