CP-Pocket control cabinet computer in 3U CompactPCI format has an Intel Celeron 807UE processor and expansion options via CompactPCI peripheral boards, which are accessible without removing the enclosure. A smart cache of 1 MB and up to 4 GB of DDR3 SDRAM memory with 1333 MHz provide high-data throughput. Peripherals connect via one USB 3.0 port, two USB 2.0 ports and one serial port. Three Gigabit Ethernet ports enable horizontal and vertical integration in automation networks.