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Cisco

Cisco ISR4451-X/K9 | 4x1G RJ45; 3xNIM, 2xSM; SD-WAN ready, optional LTE; license: Base; 8GB flash, 4GB DRAM

Cisco ISR4451-X/K9 | 4x1G RJ45; 3xNIM, 2xSM; SD-WAN ready, optional LTE; license: Base; 8GB flash, 4GB DRAM

SKU:ISR4451-X/K9

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Description

Scalable enterprise branch router with four integrated 1G ports and rich modularity to adapt WAN, security, and branch services as needs grow. SD-WAN capable and LTE-ready via NIM modules, it delivers reliable performance for multi-cloud and hybrid WAN deployments.

Features

- Flexible 3x NIM and 2x SM-X architecture for future growth
- SD-WAN capability for application-aware routing
- Base license with easy path to advanced security/voice
- Optional LTE for wireless WAN resilience
- Proven IOS XE platform and manageability

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Integrated interfaces: 4x 10/100/1000 RJ-45
- Module capacity: 3x NIM slots, 2x SM-X slots
- Memory: 4GB DRAM (base)
- Flash storage: 8GB (base)
- License tier: Base (upgradeable to Security/Voice features)
- SD-WAN: Supported on IOS XE
- Cellular: Optional LTE via NIM module (sold separately)
- Out-of-band management: Console and AUX ports
- USB ports for image/config storage
- Rack mountable enterprise chassis

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