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CAB-D-2Q-400G-3M

The Arista CAB-D-2Q-400G-3M is a 3-meter QSFP-DD to 2xQSFP56 breakout direct attach copper (DAC) cable designed for high-density 400G to 2x100G network connectivity. This passive copper cable offers a cost-effective, low-latency solution for short-reach server-to-switch interconnects in data center environments.

SKU: CAB-D-2Q-400G-3M Brand: Product ID: 377593
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Description

Arista CAB-D-2Q-400G-3M Overview

The CAB-D-2Q-400G-3M is a high-performance Direct Attach Copper (DAC) breakout cable designed by Arista to facilitate seamless high-speed connectivity between 400G and 100G networking ports. This robust 3-meter cable features a sophisticated design that splits a single QSFP-DD interface into two individual QSFP56 connectors, ensuring reliable data transmission in dense data center environments. By utilizing the CAB-D-2Q-400G-3M, network engineers can effectively manage port density while maintaining low latency across their infrastructure. This pre-owned hardware remains a cost-effective solution for scaling high-bandwidth links without the need for expensive optical transceivers.

Arista CAB-D-2Q-400G-3M Technical Details

Engineered for durability, the CAB-D-2Q-400G-3M assembly includes high-quality shielded twinaxial cabling that minimizes electromagnetic interference and signal degradation. The connectors are precision-molded to ensure a secure fit, supporting the rigorous demands of modern top-of-rack switches and server clusters. This specific cable model is fully compatible with Arista’s extensive range of 400G-capable networking equipment, providing plug-and-play functionality for rapid deployment. Each unit is inspected to ensure the integrity of the copper conductors and the shielding, making it a dependable choice for your secondary market networking requirements.

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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