top of page

Part Number: ISR4331-VSEC/K9

Manufacturer: Cisco Systems

Overview: The Cisco ISR4331-VSEC/K9 is a versatile integrated services router designed for secure, scalable connectivity in enterprise and small to medium-sized business (SMB) environments. It combines robust performance with advanced security features to meet the demands of modern networking applications.

Key Features:

  • Integrated voice and video capabilities (VSEC)
  • Upgradable throughput with a software-activated performance upgrade license
  • WAN connectivity options include Gigabit Ethernet, T1/E1, and Fiber
  • Comprehensive security features including firewall, VPN, and intrusion prevention
  • Advanced QoS for optimized application performance
  • Modular design for future expansion and customization
  • Dual integrated power supplies for redundancy and reliability


  • Branch office connectivity
  • Secure VPN connectivity for remote workers
  • Voice and video collaboration
  • Enterprise-class security and data protection
  • Internet edge services


  • Router Type: Integrated Services Router (ISR)
  • Interfaces: 3 x Gigabit Ethernet RJ-45, 2 x Enhanced Service Module (SM-X) slots, 1 x Internal Services Module (ISM) slot, 1 x RJ-45 console port
  • Performance: Up to 100 Mbps throughput with base performance; upgradable with a performance license to up to 300 Mbps
  • Security Features: Firewall, IPSec VPN, SSL VPN, intrusion prevention, content filtering
  • Voice Features: Cisco Unified Communications Manager Express (CUCME), Survivable Remote Site Telephony (SRST), T1/E1 digital voice and fax support
  • QoS Features: Weighted Fair Queuing (WFQ), Class-Based Weighted Fair Queuing (CBWFQ), Low Latency Queuing (LLQ), etc.
  • Dimensions: 1.75 x 17.25 x 14.5 inches (H x W x D)
  • Weight: 16 pounds (7.3 kg)

Why Choose the Cisco ISR4331-VSEC/K9: The Cisco ISR4331-VSEC/K9 router is an excellent choice for organizations needing a scalable, secure, and reliable networking solution. It offers integrated voice and video capabilities, advanced security features, and the flexibility to expand and adapt to future network requirements.

With its modular design and upgradable performance, the ISR4331-VSEC/K9 provides investment protection by allowing organizations to increase throughput as their bandwidth needs grow. Its robust security features ensure data integrity and privacy, making it suitable for both small branch offices and larger enterprise deployments.


VAT Included

    Related Products