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A-D400-Q400-3M

The Arista A-D400-Q400-3M is a 3-meter QSFP-DD to QSFP-DD active copper cable designed for high-speed 400G Ethernet connectivity between data center switches and servers. This reliable interconnect solution ensures low-latency, high-bandwidth performance for demanding networking environments, making it an ideal choice for cost-effective hardware upgrades.

SKU: A-D400-Q400-3M Brand: Product ID: 377732
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Description

Arista A-D400-Q400-3M Overview

The A-D400-Q400-3M is a high-performance direct attach copper cable engineered by Arista to facilitate seamless connectivity between 400G and 400G networking interfaces. This robust interconnect solution, identified by the part number A-D400-Q400-3M, ensures low-latency data transmission across demanding enterprise or data center environments. Designed for reliability, the cable features high-quality shielding to minimize electromagnetic interference during high-speed operations. Its durable construction makes it an ideal choice for network administrators seeking cost-effective, pre-owned hardware for scalable infrastructure upgrades.

Arista A-D400-Q400-3M Technical Details

Measuring three meters in length, the A-D400-Q400-3M provides the necessary reach for rack-to-rack or top-of-rack deployments without sacrificing signal integrity. The cable utilizes advanced QSFP-DD connectors, ensuring full compatibility with modern high-density Arista switches and line cards. Each unit is rigorously tested to meet industry standards, providing a plug-and-play experience that simplifies complex network configurations. By integrating this hardware into your current setup, you ensure consistent throughput and long-term stability for your mission-critical server clusters.

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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