The compact desktop chassis of the Cisco PIX 506E provides two autosensing Fast Ethernet (10/100) interface. Ideal for securing high-speed Internet connections , the Cisco PIX 506E delivers up to 100 Mbps of firewall throughput , 16 Mbps of Triple Data Encryption Standard (3DES) VPN throughput , and 30 Mbps of Advanced Encryption Standard-128 (AES) VPN throughput in a cost-effective , high-performance solution.