Fantec Cloud NAS HomeServer 2x2TB. Total storage capacity: 4000 GB, Hard drive capacity: 2000 GB, RAID levels: 0, 1. Compliance industry standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, Networking features: Gigabit Ethernet, Cabling technology: 10/100/1000 Base-T(X). Power requirements: 100-240V, 50-60Hz, Power supply: 48 W. Weight: 1.5 kg. Compatible operating systems: Windows 7/XP/Vista Mac Linux