The Allied Telesyn AT-AR450S is an enterprise-class security appliance offering versatility, integration, performance and security for medium business and enterprise networks. With on board hardware encryption the AT-AR450S offers DES-3DES and AES (Advanced Encryption Standard) hardware encryption using up to 256-bit key code. In addition, the AR450S offers integrated hardware VPN acceleration, delivering up to 65 Mbps of 3DES VPN + NAT and Firewall throughput and 40 Mbps of AES-256 VPN + NAT and Firewall throughput.