The ASA 5580-20 delivers 5 Gigabits per second of TCP traffic and UDP performance is even greater. Many features in the system are made multi-core capable to achieve this high throughput. In addition the system delivers greater than 60,000 TCP connections per second and supports up to 1 million connections.
The ASA 5580-40 delivers 10 Gigabits per second of TCP traffic and similar to ASA 5580-20 the UDP performance will be even greater. The ASA 5580-40 delivers greater than 120,000 TCP connections per second and up to 2 million connections in total.