The GB-3000 firewall appliance is GTA's flagship firewall designed for corporate offices and mid-sized data centers that desire true gigabit throughput and powerful features to secure their complex network environments and multiple Internet security zones. The GB-3000 standard configuration includes two 10/100/1000 and two 10/100 interfaces and can be expanded to include up to ten 10/100/1000 interfaces. With two user installable expansion modules, it's easy to add or change interface modules. The four-port expansion modules are available with either 1000TX or miniGBIC interfaces. Increased processing power provided by an Intel Xeon processor easily handles network traffic. Powered by GB-OS 4.0, the GB-3000 integrates powerful security capabilities with advanced network features into a single, easy-to-use solution.