The Cisco 2-port GbE SPAs are available on high-end Cisco routing platforms offering the benefits of network scalability with lower initial costs and ease of upgrades. The Cisco SPA portfolio continues the company's focus on investment protection along with consistent feature support, broad interface availability, and the latest technology.With Cisco Gigabit Ethernet SPAs, users can mix-and-match SPA ports with other types of interfaces in the same slot. Each SPA provides standards-based Gigabit Ethernet implementation for compatibility and interoperability.