| Model Number: |
| ISR4451-X-SEC/K9 – Cisco ISR 4000 Routers |
| Detail: |
| Cisco ISR 4451 Sec bundle w/SEC license |
Specifications of Cisco 4000 Series Integrated Services Routers
| Technical Specifications | Cisco 4451 | Cisco 4431 | Cisco 4351 | Cisco 4331 | Cisco 4321 | Cisco 4221 |
| Aggregate Throughput | 1 Gbps to 2 Gbps | 500 Mbps to 1 Gbps | 200 Mbps to 400 Mbps | 100 Mbps to 300 Mbps | 50 Mbps to 100 Mbps | 35 Mbps to 75 Mbps |
| Total onboard WAN or LAN 10/100/1000 ports | 4 | 4 | 3 | 3 | 2 | 2 |
| RJ-45-based ports | 4 | 4 | 3 | 2 | 2 | 2 |
| SFP-based ports | 4 | 4 | 3 | 2 | 1 | 1 |
| Enhanced service-module slots | 2 | 0 | 2 | 1 | 0 | 0 |
| Doublewide service-module slots | 1 (assumes no singlewide SM-X modules installed) | 0 | 1 (assumes no singlewide SM-X modules installed) | 0 | 0 | 0 |
