FIREBOX X15 TO FIREBOX X50 MODEL UPG Your fast growing organization keeps changing and so does the security landscape, so how do you balance network protection today with protection of your security investment well into the future? The Firebox X Edge line answers this quandary by offering the first model upgradeable firewall/VPN security appliance in its class. Start with the Firebox X Edge model that meets your needs today. When your business needs change simply upgrade to any higher Firebox X Edge model by activating a license key. A model upgrade gives you the same capability you would get if you purchased that higher model outright What you get when you upgrade: increased speed, greater capacity, more user licenses, more concurrent sessions, more VPN tunnels.