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Manufacturer: Cisco Systems, Inc.


The Cisco ISR4331-V/K9 is a versatile Integrated Services Router (ISR) designed for small to medium-sized businesses and enterprise branch offices. It combines robust routing, security, voice, and application services in a single platform, offering scalability and flexibility to meet evolving network requirements.

Key Features

  • Routing and Switching: Integrated Gigabit Ethernet and WAN ports for routing and switching capabilities.
  • Voice Services: Supports IP telephony services with Voice over IP (VoIP) and Session Initiation Protocol (SIP) trunking capabilities.
  • Security: Includes built-in firewall, VPN (Virtual Private Network), and threat defense with advanced security features.
  • Application Visibility and Control: Provides deep packet inspection and application-aware services for optimizing network performance.
  • Scalability: Modular design allows for expansion with additional modules and interfaces as business needs grow.
  • High Performance: Multi-core CPU architecture for high throughput and performance.
  • Redundancy: Dual power supplies for high availability and reliability.
  • Management: Supports Cisco DNA (Digital Network Architecture) for centralized management and automation.


  • Enterprise Branch Offices: Ideal for branch offices requiring secure connectivity, voice services, and application optimization.
  • Small to Medium-Sized Businesses: Suitable for SMBs needing integrated services with scalability for future growth.
  • Remote Site Connectivity: Provides reliable connectivity for remote sites and teleworkers connecting to centralized networks.
  • Voice and Collaboration: Supports IP telephony deployments and collaboration applications with robust voice services.


  • Part Number: ISR4331-V/K9
  • Interfaces: 3 x Gigabit Ethernet LAN ports, 2 x Gigabit Ethernet WAN ports, 1 x RJ-45 console port
  • Performance: Up to 100 Mbps to 300 Mbps (with services enabled)
  • DRAM Memory: 4 GB
  • Flash Memory: 4 GB
  • Expansion Slots: 3 integrated Enhanced Service Module (SM-X) slots
  • Power Supply: Dual redundant, hot-swappable AC power supplies
  • Operating Temperature Range: 0°C to 40°C (32°F to 104°F)
  • Humidity: 5% to 95% non-condensing
  • Compliance: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, FCC Part 15 Class A, ICES-003 Class A, EN55022 Class A, CISPR22 Class A, CE marking, AS/NZS 3548 Class A, VCCI Class A, EN 300 386, EN 61000, NEBS level 3, RoHS compliant

Why Choose

  • Integrated Services: Combines routing, switching, security, and voice services in a single platform, reducing complexity and operational costs.

  • Scalability: Modular architecture allows for easy expansion with additional modules and interfaces to meet growing business needs.

  • Security: Includes comprehensive security features such as firewall, VPN, and threat defense to protect against malicious attacks and ensure data confidentiality.

  • Performance: Multi-core CPU architecture delivers high throughput and performance, supporting demanding applications and services.

  • Reliability: Dual power supplies and built-in redundancy features enhance uptime and reliability, minimizing network downtime and ensuring continuous operations.

The Cisco ISR4331-V/K9 is an ideal choice for businesses looking for a reliable and scalable integrated services router that provides secure connectivity, voice services, and application optimization capabilities, essential for modern enterprise networks and branch office deployments.


SKU: ISR4331-V/K9
VAT Included

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