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CAB-D-4Q-400G-2M

The Arista CAB-D-4Q-400G-2M is a 2-meter QSFP-DD to 4xQSFP56 breakout direct attach copper (DAC) cable designed for high-speed 400G to 4x100G network connectivity. This reliable passive cable provides a cost-effective, low-latency solution for high-density data center interconnects between Arista switches and server adapters.

SKU: CAB-D-4Q-400G-2M Brand: Product ID: 377607
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Description

Arista CAB-D-4Q-400G-2M Overview

The CAB-D-4Q-400G-2M is a high-performance direct attach copper breakout cable engineered by Arista Networks for high-density data center environments. This specific CAB-D-4Q-400G-2M assembly facilitates a seamless transition from a single 400G QSFP-DD port to four individual 100G QSFP28 connections. Designed for short-reach interconnects, it provides a cost-effective and reliable solution for linking switches and servers within the same rack. Its robust shielding and precision engineering ensure minimal signal degradation during high-speed data transmission.

Arista CAB-D-4Q-400G-2M Technical Details

Measuring two meters in length, the CAB-D-4Q-400G-2M features a flexible yet durable cable jacket suitable for organized cable management in crowded server cabinets. The integrated connectors are built to Arista’s stringent quality standards, ensuring a secure physical fit and optimal electrical performance for mission-critical networking. Because this is a passive copper solution, it offers extremely low latency and power consumption compared to active optical alternatives. This cable is an ideal choice for buyers looking to scale their network infrastructure while maintaining strict signal integrity and hardware compatibility.

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.
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  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
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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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