SIMATIC PCS 7 Industrial Workstation IPC847C; INTEL Core I7-610E (2C/4T, 2.53 GHz, 4 MB cache, TB, VT-X, VT-D, EM64-T), Spare part ES/OS Single Station or OS Server; RAID1 (2 x 500 GB, HDD SATA), in removable frame; hot swap; front-side 4 GB DDR3 SDRAM (2 x 2 GB), DIMM, Dual Channel; Without additional system bus communication cards; Without PCS 7 Restore DVDs, without pre-installation; Windows Server 2008 R2 incl. 5 CAL, MUI (en/de/fr/it/es/cn), 64 bit license incl. downgrade to Windows Server 2003 R2 Standard incl. 5 CAL, MUI (en/de/fr/it/es/cn), 32 bit; Without extension; 110/230 V industrial power supply unit; Power supply cable USA