Enclosure type rack mount Installed OS Linux Onboard storage capacity 4000GB Number of 3.5-inch slots installed 4 Storage interface standard SATA3.0 Hot swap Supported RAID support Software RAID specifications RAID6, RAID5, RAID10, RAID1, RAID0 File system Supported network file protocols → SMB/CIFS, AFP, FTP, SFTP, SNMP CPU Annapurna Labs Alpine AL212 dual-core processor NIC specifications 1Gb (IEEE802.3ab / IEEE802.3u / IEEE802.3 compliant (1000BASE-T / 100BASE-TX / 10BASE-T)) USB specifications Interface → USB 3.0, number of terminals → 3, data transfer rate → maximum 5 Gbps (standard value) Body size (H) 45mm Body size (W) 430mm Body size (D) 430mm body weight 8400g Power consumption (during operation) 100W Fan Control Two 40mm square double ball bearing fans Supported client OS Windows 10/8.1/7, Server 2012 R2/2012/2008 R2/2008, Mac OS X 10.11/10.10/10.9 Other Communication Protocols TCP/IP Compatible applications NAS Navigator 2, B-Sync, Boot Authentication Management Tool, NovaBACKUP Backup software NovaBACKUP Accessories LAN cable (category 5e, straight, 2m), rack mounting bracket set, AC cable (1.6m), 3-pole to 2-pole conversion adapter, cable removal prevention band, instruction manual, warranty Temperature and Humidity Conditions, Maximum Operating Altitude Temperature 0 to 40°C, Humidity 10 to 85% (no condensation)