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N520-20G4Z-A

The Cisco N520-20G4Z-A is a compact, high-performance network platform designed for carrier-grade Ethernet aggregation, featuring 20 Gigabit Ethernet ports and 4 10-Gigabit SFP+ uplinks—ideal for cost-effective scalability in used network deployments.

SKU: N520-20G4Z-A Brand: Product ID: 126609
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Description

The N520-20G4Z-A is a high-performance network adapter designed for data centers and enterprise environments that require low-latency and high-throughput connectivity. Built with a robust design, this adapter features 20Gbps connectivity across multiple ports, ensuring reliable and efficient data transmission for demanding workloads. Its compact form factor and energy-efficient components make it an excellent choice for organizations looking to enhance network performance without excessive power consumption.

Equipped with four SFP+ ports, the N520-20G4Z-A supports flexible network configurations, allowing seamless integration into existing infrastructure. Advanced features such as hardware offloading, traffic prioritization, and optimized packet processing contribute to improved efficiency and reduced CPU utilization. Designed for compatibility with a wide range of network environments, this adapter supports various protocols and operating systems, making it a versatile solution for expanding network capabilities.

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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