Cisco ASA 5585-X I/O Modules provide high interface-density to mission-critical data centers that require exceptional flexibility and security. With two 8-port 10 Gigabit Ethernet modules and one Security Services Processor (SSP)-40 or SSP-60 module, Cisco ASA 5585-X can support up to 20 10 Gigabit Ethernet ports in 2 rack unit (2RU) chassis. With two 20-port 1 Gigabit Ethernet modules and one SSP module, Cisco ASA 5585-X can support up to 50 1 Gigabit Ethernet ports in 2RU chassis.