D-Link DNS-343. RAID levels: 0, 1, 5, JBOD. Hard drive interface: Serial ATA. Interface: Ethernet, Fast Ethernet, Gigabit Ethernet. Compliance industry standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab. Operating relative humidity range: 0 - 90 %, Operating temperature range (T-T): 0 - 40 °C