Model Number: HUNSN RJ57 Chassis: Aluminum CPU: Intel Core i3-N305 Processor 6M Cache, up to 3.80 GHz Memory: 1 x SO DIMM DDR5 4800 MT/s, up to 32GB Storage: 1 x M.2 2242/2280 PCIe3.0 x1 NVME SSD, not support internal SATA SSD/HDD,support knock-out holes DIY for external 2.5 Inch or above SATA SSD/HDD, 2 x SATA3.0 socket 4pin power Network Card: Intel 2.5GbE I226-V I/O Interface: Power ON/OFF, CLR CMOS, TF Slot for data/some system boot, Type-C, 4 x USB2.0, 2 x HDMI1.4, DP 1.4, DC_IN, 2 x LAN Expansion: 1 x PCle x8 slot x4 signal, 1 x TPM pin, 1 x COM pin Power: DC100-240V AC/50-60hz, 12V-19V, 12V3A Operating Temperature: -20°C~70°C Storage Temperature: -20°C~75°C Relative Humidity: 5%~90% non-condensing TDP: 15W Cooling system: Fanless, support to add 1 x small 4PIN with temperature control fan, 1 x small 3pin fan, in order to bettercater to the needs of the DIY/3D printing community, the heat dissipation upper cover is embedded with8 x M3 stainless copper pillars by default, which are compatible with 75mm fans on the marketand can achieve higher power consumption performance Size: 144 x 100 x 48mm Weight: 0.8kgs Packing List: HUNSN RJ57 firewall appliance, power supply, power cord, warranty card System Compatibility: 5.10.x and above core-based freebsd router systems, linux distros, or win.os supported.Compatibility: firewalls for pfsense, opnsense and other popular open-source software solutions 4-12 LAN/WAN Ports, Different CPU, Nano Type, Mini Type, 1U/2U rackable, 9-15 inch rackable, all are available in our shop, Bookmark HUNSN store, for customization needs and other needs, we shall be glad to supply, contact us to get a timely reply