6AV78940AB001AA0 SIMATIC HMI IPC677C (Panel PC), 2×10/100/1000 Mbit/s Ethernet; 4x USB V2.0, 1x serial (COM1); Watchdog, temperature and Fan monitoring; RAID controller onboard; 19″ Touch, 1280x 1024 with front-side USB-Schnittstelle 24 V DC power supply Celeron P4505 (2C/2T, 1.86 GHz, 2 MB cache); PROFIBUS/MPI (CP 5611-A2-compatible); 2 MB buffered SRAM 1 GB DDR3 1066 DIMM; 250 GB HDD SATA without optical drive 2x PCI free without operating system without expansion (software) 6AV7894-0AB00-1AA0