Resolution: 1920x1080 Processor: I5-1135G7 / I7-1165G7/ 5205U /J6412 Memory: 4GB ram onboard, one expansion slot (1600) supports up to 16Gb/32gb Disk: Standard 64G, MSATA interface industrial grade SSD (up to 120GB/250GB/500GB/1T) System: Standard WIN10 (support WIN7, WIN 10, Linux) is only for customer debugging and installation Display: Integrated Intel HD Graphics 620, supports up to three output (graphics model is CPU) Network: 2*10/100/1000MbpsRJ45 network port (Intel I219LM, I211AT) Audio: HD ALC662 audio decoding (default without amplifier speaker can be customized) USB port: 4*USB 3.0 (can also expand USB 2.0 ) COM serial port: 1*RS485 with photoelectric isolation, 3*RS232 (freely customizable serial port 485)