Cisco ISR4331-AX/K9 Integrated Services Router | 3 GE Ports, AX Bundle, 100-300 Mbps - Refurbished

Cisco ISR 4331 AX Bundle Router — Enterprise Branch Connectivity with 10-Year Warranty

Save significantly over new pricing on this fully tested, refurbished Cisco ISR4331-AX/K9 Integrated Services Router. The ISR 4331 with Application Experience (AX) bundle delivers secure, high-performance WAN routing for enterprise branch offices, remote sites, and distributed networks — backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• Part Number: ISR4331-AX/K9
• Aggregate Throughput: 100 Mbps to 300 Mbps (scalable via licensing)
• 3 Onboard Gigabit Ethernet WAN/LAN Ports (2 RJ-45 + 2 SFP)
• 2 NIM Slots, 1 ISC Slot, 1 SM-X Enhanced Service Module Slot
• 4 GB Flash Memory (Default) / 4 GB DDR3 ECC DRAM (Expandable to 16 GB)
• AX Bundle Includes: Application Visibility & Control (AVC), Security (SEC), and WAN Optimization (WAAS)
• Supports Cisco IWAN, MPLS, DMVPN, IPsec VPN, SD-WAN, NetFlow, QoS
• Rack-Mountable (1 RU) & Wall-Mountable | AC Input: 100–240V Auto-Ranging
• Cisco IOS XE Software

Why Buy from Reef Telecom?

• 10-Year Warranty — the longest in the refurbished telecom industry
• Free Shipping on orders over $300
• Fully tested, inspected, and updated before shipment
• Rack mounts and console cable included

Ideal Use Cases

The Cisco 4331 ISR is designed for enterprise branch offices, multi-site WAN deployments, and organizations needing secure, scalable routing with built-in firewall, VPN, and application optimization. Its modular NIM and SM-X slots allow future expansion for voice, WAN optimization, and additional connectivity without replacing hardware.