Save up to 80% over list price on the Cisco ISR4221-SEC/K9 — a powerful integrated services router built for enterprise branch offices that need reliable WAN connectivity with advanced security. Backed by Reef Telecom's industry-leading 10-year warranty and free shipping on orders over $300.
Key Specifications
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Part Number: ISR4221-SEC/K9
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Series: Cisco ISR 4000
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Aggregate Throughput: 35 Mbps – 75 Mbps
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WAN/LAN Ports: 2x 10/100/1000Base-T Gigabit Ethernet (RJ-45)
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SFP Port: 1x Gigabit SFP
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NIM Slots: 2 (Network Interface Module)
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ISC Slot: 1
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SM Slot: 1
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DRAM: 4 GB DDR3 ECC
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Flash Memory: 4 GB (expandable to 8 GB)
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Security License: SEC Bundle included (Firewall, VPN, Intrusion Prevention)
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Form Factor: 1RU rack-mountable
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Power: External AC (100–240V), 24W typical
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Dimensions: 1.72 x 12.7 x 10 in | Weight: 7.1 lb
Security & Performance
The ISR4221-SEC/K9 ships with Cisco's Security Bundle license, delivering enterprise-grade firewall, zone-based policy controls, VPN (IPsec/DMVPN), and Snort-based intrusion prevention out of the box. Combined with Cisco Intelligent WAN (IWAN) capabilities, this router dynamically routes traffic over the optimal link based on real-time application and network conditions — ensuring consistent performance for mission-critical workloads.
Ideal Use Cases
- Enterprise branch office WAN connectivity
- Secure VPN tunnels between remote sites and data centers
- SD-WAN and IWAN deployments
- Small-to-medium business network infrastructure
- MPLS and Internet dual-WAN failover
Every refurbished Cisco ISR4221-SEC/K9 from Reef Telecom is professionally inspected, tested, and restored to full operational standards. Order with confidence — backed by our 10-year warranty and expert support.
