Enclosure type deferred Installed OS Linux-based proprietary Onboard storage capacity 4000GB Number of 3.5-inch slots installed 2 Maximum number of 3.5-inch slots 2 Storage interface standard SATA 3.0 Hot swap Supported SSD support none RAID support Software RAID RAID specifications 1/0 (factory RAID1) File system Supported network file protocols: SMB/CIFS, AFP, FTP, SFTP, NFS, HTTP/HTTPS, SNMP CPU Annapurna Labs Alpine AL214 Memory Capacity 1GB NIC specifications 2.5Gb (LAN terminal (1000BASE-T) → IEEE802.3ab / IEEE802.3u / IEEE802.3 compliant (1000BASE-T / 100BASE-TX / 10BASE-T), LAN terminal (2.5GBASE-T) → IEEE802 .3bz / IEEE802.3ab / IEEE802.3u compliant (2.5GBASE-T / 1000BASE-T / 100BASE-TX)) USB specifications Connector shape → USB Type-A, Interface → USB 3.1 (Gen1) / 3.0 (*Cannot be used for computer connection.), Data transfer rate → Maximum 5 Gbps (standard value) (* Used for computer connection You can't.) Body size (H) 170mm Body size (W) 170mm Body size (D) 230mm body weight 4700g Redundant power supply none Power consumption (during operation) 85W Fan Control One 92mm square double ball bearing fan Supported client OS Windows 10/8.1/7, Windows Server 2019/2016/2012 R2, Mac OS 10.12/10.13/10.14 Other Communication Protocols TCP/IP Accessories LAN cable (category 5e, straight, 2m), power cable (1.6m), 3-pole to 2-pole conversion adapter, front panel opening/closing key (2 pieces), cable removal prevention band, instruction manual, warranty card, Model number sticker (3 pieces) Temperature and Humidity Conditions, Maximum Operating Altitude Temperature 0-40°C, Humidity 10-85%