BUFFALO LinkStation 410 4 TB High Performance NAS Personal Cloud Storage and Media Server - LS410D0401 Form Factor: 1-Bay Port RJ-45: 1 x 10/100/1000M Port USB: 1 x USB2.0 HDD Interface: 1 x SATA (1 x Bay) Supported Protocols: TCP/IP Power: Internal AC 100-240V Universal, 50/60 Hz Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab Humidity: 20-80% Humidity (non-condensing)