Microsoft Windows Small Business Server 2011 Essentials, x64, WIN, 1pk, 1-2 CPU, 25 CAL, OEM, CD/DVD, DEU. Software type: OEM, License quantity: 25 user(s). Minimum hard disk space: 160000 MB, Minimum RAM: 2048 MB, Recommended RAM: 4092 MB. Language version: DEU. Minimum processor: 1.4 GHz, x64