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ISR4321K9

The Cisco ISR4321/K9 is a compact, modular router designed for small to medium-sized branch offices, offering reliable performance with integrated WAN, security, and unified communications capabilities—ideal for cost-effective, scalable network solutions.

SKU: ISR4321K9 Brand: Product ID: 326161

Description

The Cisco ISR4321/K9 Integrated Services Router is a compact yet powerful networking solution designed for small to medium-sized branch offices. With a modular architecture and fanless design, it offers quiet operation and flexibility for evolving network demands. This router supports up to 50 Mbps of aggregate throughput, scalable with performance licenses, and is equipped with two integrated WAN ports and one built-in Gigabit Ethernet LAN port for seamless connectivity. Its rack-mountable 1RU form factor makes it ideal for space-constrained environments.

Built on the Cisco IOS XE software platform, the ISR4321/K9 delivers advanced features such as secure VPN, firewall, and unified communications support. It includes 4 GB of DRAM and 4 GB of flash memory, with expansion options available through internal modules and NIM slots. The unit supports Power over Ethernet (PoE) with an optional upgrade, allowing for simplified deployment of IP phones and wireless access points. When purchasing this model used, buyers benefit from reliable performance and enterprise-level functionality at a fraction of the original cost.

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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