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DCS-7800R3K-48CQ-LC

The Arista DCS-7800R3K-48CQ-LC is a high-density 48-port 100GbE QSFP line card designed for the Arista 7800R3 series modular chassis. This high-performance module delivers massive throughput and advanced routing capabilities, making it an ideal choice for scaling dense, high-speed data center leaf-spine architectures.

SKU: DCS-7800R3K-48CQ-LC Brand: Product ID: 374737
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Description

Arista DCS-7800R3K-48CQ-LC Overview

The DCS-7800R3K-48CQ-LC is a high-performance line card designed specifically for the Arista 7800R3 series modular chassis. This robust module provides 48 ports of 100GbE connectivity, making the DCS-7800R3K-48CQ-LC an ideal choice for scaling dense data center spine architectures. Engineered for reliability, this hardware component ensures seamless integration into existing high-speed switching environments. It is a critical asset for network engineers seeking to expand bandwidth capacity while maintaining the low-latency performance characteristic of Arista’s R3 series.

Arista DCS-7800R3K-48CQ-LC Technical Details

The DCS-7800R3K-48CQ-LC features advanced programmable silicon architecture, supporting deep buffers and sophisticated traffic management capabilities essential for modern cloud networks. Each port utilizes QSFP28 form factors to deliver high-density throughput, while the modular design allows for hot-swappable replacement during maintenance cycles. This unit is built to withstand rigorous operational demands, offering consistent power efficiency and thermal management within the chassis ecosystem. When purchasing this pre-owned hardware, you receive a proven, enterprise-grade solution that delivers massive scalability for demanding routing and switching workloads.

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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