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QDD-400G-SR8

The Arista QDD-400G-SR8 is a high-performance 400G QSFP-DD optical transceiver module designed for short-reach data center connectivity over multi-mode fiber. This reliable, hot-swappable module provides high-density bandwidth for demanding enterprise and cloud networking environments, making it an ideal choice for upgrading your infrastructure at a fraction of the cost.

SKU: QDD-400G-SR8 Brand: Product ID: 377495
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Description

Arista QDD-400G-SR8 Overview

The QDD-400G-SR8 is a high-performance 400G QSFP-DD optical transceiver designed by Arista Networks to provide reliable short-reach connectivity in demanding data center environments. This module utilizes advanced multi-mode fiber technology to deliver exceptional bandwidth for high-density networking applications. By choosing the QDD-400G-SR8 for your infrastructure, you ensure seamless interoperability and robust signal integrity across your existing switch fabric. It is an ideal solution for engineers seeking to upgrade their legacy hardware to modern, high-speed standards without compromising on durability.

Arista QDD-400G-SR8 Technical Details

Engineered for efficiency, the QDD-400G-SR8 supports 400GbE data rates over MPO-12 connectors, making it perfect for rapid deployment in leaf-spine architectures. This transceiver operates at an 850nm wavelength and is optimized for low power consumption, which helps reduce overall thermal output in crowded server racks. When purchasing this used component, you benefit from a field-proven design that maintains consistent performance even under heavy traffic loads. Its compact form factor allows for maximum port density, ensuring your networking equipment remains both scalable and cost-effective.

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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