Cisco
Cisco ISR4351-V/K9 4351 UC Voice Bundle Router | 3GE, PVDM4-64, 200-400Mbps
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco ISR4351-V/K9 β Enterprise Voice Router with UC Bundle & PVDM4-64
Save up to 80% over new with this refurbished Cisco ISR 4351 UC Voice Bundle router. Ideal for mid-size enterprise branch offices, the ISR4351-V/K9 delivers integrated voice, data, and video services with 200β400 Mbps aggregate throughput β all backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
- Part Number: ISR4351-V/K9
- UC Voice Bundle with PVDM4-64 DSP module and UC License
- 3 onboard Gigabit Ethernet (GE) WAN/LAN ports + 3 SFP ports
- 3 NIM slots, 1 ISC slot, 2 SM slots for modular expansion
- 4 GB DRAM (expandable to 16 GB) / 4 GB Flash (expandable to 16 GB)
- 200 Mbpsβ400 Mbps system throughput with pay-as-you-grow licensing
- Multi-core CPU with IOS XE for concurrent services
- 1 AC power supply included (supports dual redundant PSU)
- Rack-mountable 2RU form factor
Advanced Capabilities
- Unified Communications: VoIP, CUBE-25 SIP trunking, voice gateway
- Security: VPN, Zone-Based Firewall, DMVPN, IPsec encryption
- WAN Optimization: WAAS, Application Visibility & Control (AVC), PfR
- SD-WAN ready with Cisco Intelligent WAN (IWAN) support
- OnePK and AppNav for scalable network & application integration
Why Buy from Reef Telecom?
- 10-Year Warranty β the longest in the industry on refurbished gear
- Free Shipping on orders over $300
- Professionally tested, cleaned, and certified to full functionality
- Significant savings vs. new list price
The Cisco ISR4351-V/K9 is ideal for enterprise branch deployments requiring converged routing, voice services, VPN connectivity, and WAN optimization in a single platform. Compatible with Cisco 4000 Series NIM, SM-X, and PVDM4 modules.
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

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