The Cisco ASA 5540 is an extremely flexible firewall. Designed to replace the PIX 525 and 535 series firewalls, the ASA 5540 is smaller, faster, and more rebust for less money.
Capable of up to 650Mps throughput and 500 Mpbs firewall and IPs throughput using the included AIP 20 SSM. This firewall is perfect for just about any enterprise organization and will last for the next three to seven years.
Cisco ASA 5540 Adaptive Security Appliance Platform Capabilities and Capacities