QOTOM-Q320G4 Barebone Industrial PC Gateway Router for pfSense - Intel Celeron 3805U 4 Gigabit NICs QOTOM-Q320G4 Intel Celeron Processor 3805U Dual core (2M Cache, 1.90 GHz, Broadwell) Barebone(NO RAM,NO SSD,NO WIFI,NO OS) 4 Intel RJ45 Lan+2 USB 2.0+2 USB 3.0+HD Video+COM Port It support Windows 7 / Windows 8 / Windows 10 / Linux OS/Pfsense. There is NO os for barebone PC This pfSense appliance can be configured as a firewall, LAN or WAN router, VPN appliance, DHCP Server, DNS Server, and IDS/IPS with optional packages to deliver a high performance, high throughput front-line security