Buffalo 6TB LinkStation Duo. Total storage capacity: 6000 GB, Hard drive capacity: 3000 GB, RAID levels: 0, 1, JBOD. Compliance industry standards: IEEE802.3ab/IEEE802.3u/IEEE802.3, Supported network protocols: TCP/IP, Networking features: Gigabit Ethernet. Management protocols: HTTP, HTTPS. Power requirements: 100-240V, 50/60Hz, Power consumption (typical): 26 W. Operating relative humidity range: 20 - 80 %, Operating temperature range (T-T): 5 - 35 °C