The Cisco 2800 Series of integrated services routers embed data, security, voice, and wireless services into a single, flexible system for fast, scalable delivery of mission-critical business applications. The architecture of the Cisco 2800 Series delivers maximum business dexterity and investment protection. The Cisco 2800 Series is comprised of four platforms: the Cisco 2801, the Cisco 2811, the Cisco 2821, and the Cisco 2851. The Cisco 2800 Series provides considerable additional value compared to prior generations of Cisco routers at similar price points by offering up to a fivefold performance improvement, up to a tenfold increase in security and voice performance, embedded service options, and increased slot performance.
 

Part numbers associated with this product;

NME-16ES-1G, NME-16ES-1G-P, NME-X-23ES-1G, NME-X-23ES-1G-P, NME-XD-24ES-2S-P, NME-XD-48ES-2S-P, NM-16ESW, NM-16ESW-1GIG, NM-16ESW-PWR, NM-16ESW-PWR-1GIG