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Overview
The ISR4451-X K9 is a powerhouse of a network router that will revolutionize your business operations. With its incredible 1-2G system throughput, this device provides lightning-fast data transfer and smooth connectivity across your entire network. Equipped with 4 WAN LAN ports and 4 SFP ports, the ISR4451-X K9 offers outstanding flexibility in managing your wide area networks and consistently integrates with existing infrastructure. This router has a 10-core CPU that enables exceptional performance even under heavy workloads. Experience improved security features that safeguard your critical data from external threats while the built-in Voice capabilities provide crystal-clear communication for all your telephony needs. The integrated WAAS (Wide Area Application Services) optimizes application delivery across the network to boost productivity and efficiency. The ISR4451-X K9 apart is its Intelligent WAN feature, which intelligently routes traffic based on real-time conditions to ensure maximum performance.
Specification
| 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 |
| Enhanced service-module slots | 2 |
| Doublewide service-module slots | 1 (assumes no singlewide SM-X modules installed) |
| NIM slots | 3 |
| OIR (all I/O modules) | Yes |
| Onboard ISC slot | 1 |
| Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM (Combined control/services/data planes) | NA |
| Maximum memory DDR3 ECC DRAM (Combined control/services/data planes) | NA |
| Default memory DDR3 ECC DRAM (data plane) | 2 GB |
| Maximum memory DDR3 ECC DRAM (data plane) | 2 GB |
| 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 |
| USB console port -type B mini (up to 115.2 kbps) | 1 |
| Serial console port - RJ45 (up to 115.2 kbps) | 1 |
| Serial auxiliary port - RJ45 (up to 115.2 kbps) | 1 |
| Power-supply options | Internal: AC, DC and PoE |
| Redundant power supply | Internal: AC, DC and PoE |
| AC input voltage | 100 to 240 VAC autoranging |
| AC input frequency | 47 to 63 Hz |
| AC input current range, AC power supply (maximum) | 7.1 to 3.0A |
| AC input surge current | <50 A |
| Typical power (no modules) (watts) | 158 |
| Maximum power with AC power supply (watts) | 450 (no PoE) |
| 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 |
