Enclosure type deferred Installed OS Windows Server IoT 2019 for Storage Workgroup Onboard storage capacity 4000GB Number of 3.5-inch slots installed 2 Maximum number of 3.5-inch slots 2 Storage interface standard Serial ATA III Hot swap none SSD support none RAID support Software RAID RAID specifications 1/0 (factory RAID1) 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 Terminal shape → USB Type-A, Compliant standard → USB 3.2 (Gen 1), Data transfer rate → Maximum 5 Gbps (standard value) Body size (H) 170mm Body size (W) 170mm Body size (D) 230mm body weight 5000g 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 Sever 2019/2016/2012(R2)/2012, Mac OS X /10.15/10.14/10.13/10.12/OS X 10.11 Other Communication Protocols TCP/IP, UDP Accessories LAN cable, power cable, 3-prong to 2-prong conversion adapter, keys for opening and closing the front panel (x2), USB recovery media, license card, instruction manual, warranty card Temperature and Humidity Conditions, Maximum Operating Altitude Temperature 0-40°C, Humidity 10-85%