SIMATIC IPC3000 SMART (RACK PC, 19", 4U); CORE I5-3550S (4C/4T,3.7 GHZ, 6M CACHE) 500 GBYTE HDD SATA, INTERNAL; 4 GBYTE DDR3 SDRAM (1X 2 GBYTE), SINGLE CHANNEL; DVD+/-RW; INTERFACES: 2X GBIT LAN; 2X SERIAL: 1X COM1 (RS232), 1X COM2 (RS232/422/485); 4X USB BACK; 2X USB FRONT; 1X VGA; 1X DVI-D; 2X PS/2; AUDIO; W/O OPERATING SYSTEM; DEVICE TO BE SOLD IN CHINA ONLY