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ISR4321-AX/K9

The Cisco ISR4321-AX/K9 is a compact, integrated services router designed for small to medium-sized branch offices, offering reliable performance with built-in security, application optimization, and WAN connectivity—ideal for cost-effective, used network hardware deployments.

SKU: ISR4321-AX/K9 Brand: Product ID: 126305

Description

The Cisco ISR4321-AX/K9 is a high-performance Integrated Services Router designed for secure, scalable, and efficient network connectivity. Built with a modular architecture, this router supports advanced security, application visibility, and WAN optimization features, making it ideal for small to medium-sized businesses. With a compact 1RU form factor, it conserves space while delivering enterprise-grade performance. The ISR4321-AX/K9 is part of Cisco’s Application Experience (AX) series, which enhances network efficiency through intelligent traffic management and deep packet inspection.

Powered by a dual-core processor, the ISR4321-AX/K9 supports up to 100 Mbps throughput with the ability to scale via performance licenses. It features two integrated Gigabit Ethernet WAN ports, a single service module slot, and multiple interface options for flexible connectivity. Security is a key focus, with built-in support for VPN, firewall capabilities, and Cisco’s TrustSec technology. This router also includes Cisco’s IOS XE software, enabling advanced programmability and automation for simplified network management. Designed for reliability and longevity, the ISR4321-AX/K9 is a cost-effective choice for businesses looking for a used network solution that delivers robust performance and security.

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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