Cisco ISR4451 Integrated Services Router (ISR4451-X-AX/K9)
The Cisco ISR4451-X-AX/K9 is a high-performance enterprise router built for secure branch and regional networks across Asia, Europe, Africa, and North America. Delivering 1 Gbps to 2 Gbps aggregate throughput, it supports demanding VPN, MPLS, and application services on a single integrated platform. With 4 onboard 10/100/1000 RJ-45 ports, 4 SFP ports, and flexible NIM and service-module slots, this Cisco router is ideal for distributors, SMB integrators, and end users needing scalable, services-rich WAN connectivity.
ISR4451-X-AX/K9 specification
| Model | ISR4451-X-AX/K9 |
|---|---|
| Brand | Cisco |
| Description | Cisco ISR 4451 AppX Advanced services router (2GE, 2NIM, 1SM, 8G FLASH, 4G DRAM, MPLS, OTV) |
| Aggregate Throughput | 1 Gbps to 2 Gbps |
| Total Onboard WAN or LAN 10/100/1000 Ports | 4 |
| RJ-45-based Ports | 4 |
| SFP-based ports | 4 |
| NIM Slots | 3 |
| OIR (All I/O Modules) | Yes |
| Onboard ISC Slot | 1 |
| Default DDR3 ECC DRAM (Combined Control/Services/Data Planes) | NA |
| Maximum DDR3 ECC DRAM (Combined Control/Services/Data Planes) | NA |
| Default DDR3 ECC DRAM (Data Plane) | 2GB |
| Maximum DDR3 ECC DRAM (Data Plane) | 2GB |
| Dimensions (H x W x D) | 1.72 x 12.7 x 10 in (43.7 x 322.6 x 254 mm) |
| Default DDR3 ECC DRAM (Control/Services Plane) | 4GB |
| Maximum DDR3 ECC DRAM (Control/Services Plane) | 16GB |
| Default Flash Memory | 8GB |
| NMaximum Flash Memory | 32 GB |
| External USB 2.0 Slots (Type A) | 2 |
| USB Console Port (Type B Mini, up to 115.2 kbps) | 1 |
| Serial Console Port (RJ-45, up to 115.2 kbps) | 1 |