Product Datasheet
The Cisco ISR4331/K9 from the Cisco 4000 Series Integrated Services Routers delivers next-generation WAN capabilities for the enterprise branch. Designed to handle increasing application demands and cloud connectivity, it combines intelligent network services, SD-WAN support, and high performance in a compact, modular form factor.
With built-in security, flexibility, and scalability, the ISR4331/K9 is ideal for distributed enterprise sites that require high availability and performance with lean IT support.
Application-Aware Networking: Enables intelligent routing decisions to optimize application performance.
SD-WAN Ready: Integrated support for Cisco® Software-Defined WAN capabilities.
Modular Architecture: Expandable with enhanced service modules and NIMs.
Cloud Connectivity: Securely connects to private data centers and public cloud services.
Specification | Details |
---|---|
Aggregate Throughput (Default) | 100 Mbps |
Onboard Ethernet Ports | 3 × 10/100/1000 Mbps |
RJ45 Ports | 2 |
SFP Ports | 2 |
Enhanced Service Module Slots | 1 |
Network Interface Module (NIM) Slots | 2 |
Onboard Integrated Services Card (ISC) Slot | 1 |
Memory (RAM) | 4 GB (default) / 16 GB (maximum) |
Flash Memory | 4 GB (default) / 16 GB (maximum) |
Enterprise branch connectivity
Secure WAN edge with SD-WAN
Hybrid cloud integration
Centralized IT management with minimal onsite resources
Simplifies branch infrastructure
Enhances application visibility and performance
Reduces operational costs through SD-WAN automation
Supports modular expansion as business needs grow
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