Enclosure type deferred Installed OS Windows Server IoT 2019 for Storage Workgroup Onboard storage capacity 4000GB Number of 3.5-inch slots installed 4 Maximum number of 3.5-inch slots 4 Storage interface standard Serial ATA II Hot swap Supported SSD support none RAID support Hardware RAID RAID specifications 6/5/10/0 (factory RAID6) CPU Intel Atom C3338 Memory Capacity 8GB NIC specifications 10Gb (IEEE 802.3an (10GBASE-T), IEEE 802.3bz (5GBASE-T/2.5GBASE-T), IEEE 802.3ab (1000BASE-T), IEEE 802.3u (100BASE-TX), IEEE 802.3i ( 10BASE-T)) USB specifications Connector shape → USB Type-A, data transfer speed → maximum 5 Gbps (standard value) Body size (H) 215mm Body size (W) 170mm Body size (D) 230mm body weight 7600g Redundant power supply none Power consumption (during operation) 85W Fan Control One 92mm square ball bearing fan Supported client OS Windows 10/8.1(64/32)/7(64/32), Windows Server 2019/2016/2012R2, Mac OS X 10.14/10.13/10.12 Other Communication Protocols TCP/IP, UDP Accessories LAN cable (category 6A, straight, 2m), power cable, 3-pole to 2-pole conversion adapter, front cover opening/closing key (2 pieces), USB recovery media, cable removal prevention band, instruction manual, warranty card, Model number seal Temperature and Humidity Conditions, Maximum Operating Altitude Temperature 0-40°C, Humidity 10-85%