Freecom 34831. Total storage capacity: 3000 GB, RAID levels: 0, 1, JBOD, Hard drive interface: Serial ATA. Processor model: ARM9. Supported network protocols: TCP/IP, FTP, SMB, Gigabit Jumbo, Cabling technology: LAN 10/100/1000 Mbps, Data transfer rate (max): 1000 Mbit/s. Weight: 2.6 kg. Operating relative humidity range: 8 - 80 %, Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -20 - 70 °C