Cisco 4000 series is a digital-ready platform that offers at least 4 GE ports, 3 NIM slots, 2 SM slots and 8 CPU core ISM slots. It consolidates many must-have IT functions, including network, security, compute, storage, and unified communications. It supports multiple application-aware services concurrently while maintaining WAN performance of up to 2 Gbps, even during heavy traffic loads. The backplane architecture supports high-bandwidth, module-to-module communication at speeds up to 10 Gbps.
| CISCO ISR 4321/K9 | Cisco ISR 4321 Router 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM, Security, Voice, WAAS, Intelligent WAN, OnePK, AVC |
| CISCO ISR 4351/K9 | Cisco ISR 4351 Router 3GE,3NIM,2SM,4G FLASH,4G DRAM,IP Base |
| CISCO ISR 4221/K9 | Cisco ISR 4221 Router 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM |
| CISCO ISR 4331/K9 | Cisco ISR 4331 Router 2 WAN/LAN ports, 2 SFP ports, multi-Core CPU,1 service module slots, Security, Voice, WAAS, Intelligrnt WAN, |
