6ES7643-7DG21-0XX0

SIMATIC RACK PC 840 V2, INTERFACES: 1X LAN (RJ45); 1 GRAPH. (VGA); 2 SERIAL; 1 PARALLEL; 2 PS/2; 1 USB2.0 FRONT; 2 USB2.0 REAR; 10 SLOTS (5X PCI LONG, 2XPCI/ISA LONG, 3X ISA LONG); TEMPERATURE AND FAN MONITORING; WATCHDOG; CARD RETAINER P