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ISR4431-VSEC/K9

The Cisco ISR4431-VSEC/K9 is a high-performance integrated services router designed for secure, scalable WAN connectivity, featuring advanced voice, security, and application services—ideal for businesses seeking reliable used enterprise-grade networking solutions.

SKU: ISR4431-VSEC/K9 Brand: Product ID: 126329
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Description

The Cisco ISR4431-VSEC/K9 is a high-performance integrated services router designed for secure, scalable, and efficient network operations. Built for enterprise branch deployments, this router delivers advanced security, voice, and WAN optimization features in a compact 1RU form factor. It is powered by a multi-core architecture with Cisco’s IOS XE software, ensuring seamless performance for high-bandwidth applications. With integrated security capabilities, including VPN, firewall, and threat defense, it provides a robust solution for organizations requiring secure connectivity across multiple locations.

Equipped with four built-in Gigabit Ethernet ports and support for additional network interface modules, this router offers flexible connectivity options. The ISR4431-VSEC/K9 supports up to 500 Mbps of encrypted throughput, making it ideal for businesses with growing security and performance needs. Redundant power supply options enhance reliability, while modular expansion slots allow customization with additional WAN, LAN, or voice interfaces. Designed for long-term scalability, this router ensures investment protection by supporting software-defined WAN (SD-WAN) and cloud-based networking solutions.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
  • Sell Used Equipment: Get a quick, hassle-free quote and maximize the value of your old IT gear.
  • Buy Certified Networking Equipment: Access affordable, quality-tested equipment from top brands like Cisco, Juniper, Ciena, Fujitsu, Infinera and more.
Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
  • Sustainable IT Solutions: Reduce waste and support environmentally responsible practices.
  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
  • Free Shipping Logistics: Fast, secure, and hassle-free shipping or pickup options for buyers and sellers.
Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
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