QOTOM Fanless Mini PC Q190G4U-S02 with 4 Gigabit NIC VGA, 4GB RAM 64GB SSD WiFi, X86 Mini PC Windows/Linux/ pfSense CPU: Intel Celeron Processor J1900 (Quad-Core 2M Cache, 2 GHz, up to 2.42 GHz) 4 x Intel I211-AT- 10/100/1000 Controller Aluminum alloy Shell. Fanless No Noise Perfect fit for a LAN or WAN router, firewall, proxy, WiFi access point, VPN appliance, DHCP Server, DNS Server, etc. Preload pfSense. It supports Windows, Linux, pfSense, Sophos, VyOS, Linux iptables, Untangle, ect.