#MX250-HW — Network Security/Firewall Appliance – Gigabit Ethernet – MX – Total Number of Ports: 8 – Number of Total Expansion Slots: 16 – Lifetime – Rack-mountable
#MX450-HW — Network Security/Firewall Appliance – Gigabit Ethernet – MX – Total Number of Ports: 8 – Number of Total Expansion Slots: 18 – Lifetime – Rack-mountable