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ISR4321-VK9

The Cisco ISR4321-VK9 is a compact, enterprise-grade integrated services router designed for secure, high-performance WAN connectivity, featuring built-in voice support, modular scalability, and advanced network services—ideal for businesses seeking reliable used network hardware.

SKU: ISR4321-VK9 Brand: Product ID: 326159
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Description

The Cisco ISR4321-VK9 is a compact yet powerful Integrated Services Router designed for small to medium-sized branch deployments. Built with modularity and scalability in mind, it offers a fanless design for quiet operation and includes two integrated WAN ports, supporting both RJ-45 and SFP connectivity. The router is powered by a multicore CPU architecture, separating control and data plane functions to deliver enhanced performance and reliability. Its 1 RU form factor makes it ideal for space-constrained environments without compromising on functionality.

This model supports voice services, making it well-suited for unified communications deployments, and comes equipped with a PVDM4 DSP module slot for digital signal processing. The ISR4321-VK9 features 2 GB of DDR3 memory (upgradeable to 4 GB) and 4 GB of flash storage (expandable to 8 GB), ensuring sufficient capacity for routing tables and IOS images. It includes support for Cisco IOS XE software, enabling advanced features such as VPN, firewall, and application visibility. With its built-in security, modular WAN/LAN connectivity, and upgradeable components, the ISR4321-VK9 is a reliable choice for buyers seeking a cost-effective, used enterprise-grade router.

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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