Ubiquiti UniFi Pro 4-port GatewayThe Ubiquiti Networks UniFi Security Gateway Pro extends the UniFi Enterprise System to encompass routing and security for your network. It combines advanced security features with highperformance routing technology in a compact and costeffective unit. The USG PRO 4 has a rack mount form factor with fiber connectivity options and a 1GHz dual core processor which is twice as fast as the original USG.