Intel Pentium G2020 2.9G 1U network Firewall router with six intel PCI-E 1000M 82574L Gigabit LAN Mikrotik ROS etc 2G RAM 8G SSD queue machine 1u firewall router with 6 gigabit 82574l lan intel quad core i5 4430 3 2g wayos pfsense ros support 2g ram 8g ssd