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N520-20G4Z-D

The Cisco N520-20G4Z-D is a compact, high-performance network edge router designed for carrier-grade Ethernet services, featuring 20 Gigabit Ethernet ports and 4 10-Gigabit SFP+ interfaces—ideal for scalable, energy-efficient deployments in used hardware environments.

SKU: N520-20G4Z-D Brand: Product ID: 326267
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Description

The Cisco N520-20G4Z-D is a compact, high-performance network platform designed for service providers and enterprise edge environments. Housed in a 1RU form factor, it offers a space-efficient solution without compromising on throughput or reliability. This model features 20 Gigabit Ethernet ports and 4 10-Gigabit SFP+ uplink ports, making it ideal for aggregation and high-speed routing scenarios. Its fanless design ensures silent operation, which is beneficial for deployments in noise-sensitive environments.

Built on Cisco’s IOS XE operating system, the N520-20G4Z-D supports advanced routing protocols, segment routing, and full-stack security features. It is powered by a quad-core processor and includes 8 GB of DRAM and 32 GB of flash storage, ensuring smooth performance for demanding applications. The unit supports redundant power supplies and has front-to-back airflow for efficient cooling in data center racks. Buyers looking for a reliable used network solution will appreciate its robust feature set and long-term software support from Cisco.

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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