High-performance central processing unit (CPU), Processor: Intel Celeron M a 1 GHz., Memory: 64 MB of RAM (with battery backup) and 64 MB of non-volatile Flash memory., Processing speed: 0.047 ms per 1,000 Boolean instructions., I/O Capacity: Supports up to 32,768 discrete I/O points and 32,768 analog I/O channels., Integrated ports: One RS-232 port and one RS-485 port (support SNP, Modbus RTU Slave, and Serial I/O protocols).