Save up to 80% over list price on the Cisco ISR4331-SEC/K9 — a fully tested, refurbished Cisco 4331 Integrated Services Router with the Advanced Security license bundle pre-installed. Backed by Reef Telecom's industry-leading 10-year warranty, this enterprise-grade branch router delivers secure WAN connectivity right out of the box.
Key Specifications
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Model: Cisco ISR 4331 (ISR4331-SEC/K9)
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Aggregate Throughput: 100 Mbps – 300 Mbps
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Onboard Ports: 3x Gigabit Ethernet (2x RJ-45, 1x combo GE RJ-45/SFP)
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SFP Ports: 2x SFP for fiber uplinks
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Expansion: 2x NIM slots, 1x SM-X slot, 1x ISC slot
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Memory: 4 GB Flash / 4 GB DRAM (expandable to 16 GB each)
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Security License: Zone-Based Firewall, IPSec VPN, DMVPN, FlexVPN, EZVPN
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Form Factor: 1RU rack-mountable
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Power: AC 100–240V auto-ranging (PWR-4330-AC)
Security Bundle Features
The SEC/K9 license enables advanced enterprise security services including Zone-Based Firewall for granular traffic inspection, IPSec and DMVPN for secure site-to-site connectivity, and FlexVPN for next-generation IKEv2-based tunnels. Ideal for branch offices requiring encrypted WAN transport over MPLS or broadband Internet links.
Ideal Use Cases
- Enterprise branch office WAN routing and security
- Secure VPN hub or spoke for multi-site deployments
- SD-WAN migration with Cisco IWAN capabilities
- MPLS and Internet dual-WAN edge routing with QoS
Free shipping on orders over $300. Every refurbished unit is professionally cleaned, fully tested, and restored to factory defaults before shipping.
