Lenovo Windows Server 2012, 50 DCAL, Client Access License (CAL), 32 GB, Pentium, 0.5 GB, 1.4 GHz Lenovo Windows Server 2012, 50 DCAL. License type: Client Access License (CAL). Minimum storage drive space: 32 GB, Minimum processor family: Pentium, Minimum RAM: 0.5 GB