Our new, refurbished and used Cisco PIX 525 modular two-rack-unit design supports up to eight 10/100 Fast Ethernet interface or three Gigabit Ethernet interface , making it an ideal appliance for officees that need a resilient , high-performance , Gigabit Ethernet-ready solution that provides solid investment protection. It also delivers more than 330 Mbps of firewall throughput with the capability to handle more than 280 , 000 simultaneous sessions.