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ISR4321-SEC/K9

The Cisco ISR4321-SEC/K9 is a compact, secure Integrated Services Router designed for small to medium-sized branch offices, offering reliable WAN connectivity, advanced security features, and scalable performance ideal for used network hardware buyers seeking cost-effective enterprise-grade routing.

SKU: ISR4321-SEC/K9 Brand: Product ID: 126306

Description

The Cisco ISR4321-SEC/K9 is a highly reliable Integrated Services Router designed for secure and efficient network performance. Built for small to medium-sized businesses, this router features a modular design with two integrated Gigabit Ethernet ports, supporting advanced security and WAN optimization. The ISR 4321 includes hardware encryption acceleration and Cisco Security licensing, making it an ideal choice for organizations that require secure VPN connectivity and robust firewall capabilities. With its compact 1RU form factor and fanless design, it operates quietly while delivering enterprise-grade networking capabilities.

Equipped with a dual-core processor and 4GB of default DRAM (upgradeable to 8GB), the ISR4321-SEC/K9 ensures smooth data processing and high-speed connectivity. The router supports up to two Network Interface Modules (NIMs) and one Integrated Services Card (ISC) slot, providing flexibility for future expansion. Advanced QoS and traffic management features help prioritize critical applications, ensuring optimal network efficiency. This model also includes Cisco’s Intelligent WAN (IWAN) capabilities, allowing for seamless cloud and branch office integration. Ideal for businesses looking for a cost-effective, used networking solution, this router delivers enterprise-class performance with a strong focus on security and scalability.

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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