Hercules III is avaiable in several configurations. The standard model is:
HRCE1600A-1G Hercules III SBC, 1.6GHz Atom E680T CPU, 1GB RAM, full data acquisition
Models with a 50 unit minimum order quantity are:
HRCE1600D-1G Hercules III SBC, 1.6GHz Atom E680T CPU, 1GB RAM, digital I/O only
HRCE1600A-2G Hercules III SBC, 1.6GHz Atom E680T CPU, 2GB RAM, full data acquisition
HRCE1600D-2G Hercules III SBC, 1.6GHz Atom E680T CPU, 2GB RAM, digital I/O only