800 MHz CPU, 512 MB DRAM, 4 GB Storage CompactRIO Controller (Legacy)—The cRIO‑9025 is an embedded real-time controller ideal for advanced control and monitoring applications. This rugged, fanless controller features a variety of connectivity ports, including two Ethernet, one USB, and one serial. The cRIO‑9025 does not include integrated C Series I/O module slots, so to use C Series I/O modules, you can combine the cRIO‑9025 with a compatible CompactRIO Chassis.