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QDD-400G-SR8-C

The QDD-400G-SR8-C is an Arista 400GBASE-SR8 QSFP-DD transceiver designed for high-density, short-reach data center connectivity over multimode fiber. This reliable optical module provides high-speed 400Gbps throughput, making it an ideal, cost-effective solution for upgrading your existing Arista network infrastructure.

SKU: QDD-400G-SR8-C Brand: Product ID: 377498
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Description

Arista QDD-400G-SR8-C Overview

The QDD-400G-SR8-C is a high-performance 400G QSFP-DD optical transceiver designed by Arista to facilitate ultra-fast data transmission across short-range multimode fiber networks. This robust module is an ideal solution for data centers requiring reliable, high-density connectivity for demanding enterprise workloads. By integrating the QDD-400G-SR8-C into your existing infrastructure, you gain a cost-effective way to scale bandwidth without sacrificing signal integrity. Its compact form factor ensures seamless compatibility with a wide range of Arista switches, making it a preferred choice for secondary market buyers.

Arista QDD-400G-SR8-C Technical Details

Engineered for efficiency, the QDD-400G-SR8-C utilizes advanced SR8 technology to support eight lanes of data traffic over MPO-16 connectors. This hardware component operates at a wavelength of 850nm, providing the necessary throughput for high-speed server-to-switch links in modern server farms. Each unit undergoes rigorous testing to ensure that its internal laser components and electrical interfaces meet original performance standards for longevity. When purchasing used networking gear, choosing this specific model guarantees a proven, high-speed solution that is ready to deploy immediately in your production environment.

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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