| ISR4451-X-SEC/K9 Specification | |
| Description | Cisco ISR 4451 Sec bundle w/SEC license | 
| Aggregate Throughput | 1 Gbps to 2Gbps | 
| Total onboard WAN or LAN 10/100/1000 ports | 4 | 
| RJ-45-based ports | 4 | 
| SFP-based ports | 4 | 
| Enhanced service-module slots | 2 | 
| NIM slots | 3 | 
| Default memory DDR3 ECC DRAM (control/services plane) | 4 GB | 
| Maximum memory DDR3 ECC DRAM (control/services plane) | 16 GB | 
| Default flash memory | 8 GB | 
| Maximum flash memory | 32 GB | 
| External USB 2.0 slots (type A) | 2 | 
| AC input current range, AC power supply (maximum) | 7.1 to 3.0A | 
| AC input surge current | <50 A | 
| AC input frequency | 47 to 63 Hz | 
| Typical power (no modules) (watts) | 158 | 
| Power-supply options | Internal: AC, DC and PoE | 
| AC input voltage | 100 to 240 VAC autoranging | 
| Maximum power with PoE power supply (platform only) (watts) | 1000 with PoE redundant 1450 with PoE boost no redundancy | 
| Maximum endpoint PoE power available from PoE power supply (watts) | 500 W with optional redundancy | 
| Maximum endpoint PoE power capacity with PoE boost (watts) | 950 W no redundancy | 
 
                     
                
                 
                 
                        







 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                    