4PPC50121E12BPower Panel C50, 12.1 interfaces: 1x CAN bus, 1x RS232. 766 MHz (ARM Cortex-A9), 512 MB DRAM, 64 kB FRAM, 2 GB 800 MHz (ARM Cortex-A9), 1 GB DRAM. Display and touch screen: 12.1", 1280 x 800 (WXGA) touch screen, multi-touchInterfaces: 1x POWERLINK, 1x Ethernet 10/100 Mbit/s,1x X2X Link, 2x USB 2.0, 1x CAN bus, 1x RS232.