TigerDirect offers the WatchGuard Firebox Edge X20e 6-Port VPN Firewall, model no. WG50020, for $119.99 with free shipping. That’s the lowest total price we could find by $357. (It’s a discontinued model.) This VPN Firewall features six 10/100Mbps Ethernet ports, 15 VPN tunnels, and more. Designed for remote offices or small businesses with up to 30 users, this device can be used as either a stand-alone integrated security appliance or VPN endpoint.