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A-D400-Q400-7M

The Arista A-D400-Q400-7M is a 7-meter QSFP-DD to QSFP-DD active optical cable (AOC) designed for high-speed 400GbE data center interconnects. This reliable cabling solution provides a seamless, plug-and-play interface for linking high-density Arista switches with low latency and consistent signal integrity.

SKU: A-D400-Q400-7M Brand: Product ID: 377738
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Description

Arista A-D400-Q400-7M Overview

The A-D400-Q400-7M is a high-performance 7-meter QSFP+ to QSFP+ active optical cable designed to facilitate high-speed data transmission across your Arista network infrastructure. This specific A-D400-Q400-7M assembly is engineered for reliable, low-latency connectivity between switches, routers, and server clusters in demanding data center environments. By utilizing advanced optical fiber technology, this cable ensures signal integrity over longer distances compared to standard copper direct-attach cables. It serves as a vital component for administrators looking to expand their existing fabric with proven, cost-effective hardware solutions.

Arista A-D400-Q400-7M Technical Details

Featuring a robust 40GbE interface, the A-D400-Q400-7M supports high-bandwidth throughput essential for modern virtualization and storage networking tasks. The cable is constructed with durable shielding and precision-engineered connectors to minimize insertion loss and maximize uptime during continuous operation. Its plug-and-play design allows for seamless integration into existing Arista port configurations without requiring complex firmware adjustments or additional power supplies. This pre-owned hardware offers a reliable and efficient way to scale your network capacity while maintaining the rigorous performance standards expected of Arista equipment.

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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