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QDD-400G-PLR4

The Arista QDD-400G-PLR4 is a high-performance 400GBASE-PLR4 QSFP-DD optical transceiver designed for long-reach data center interconnects over single-mode fiber. This reliable module offers high-density connectivity for demanding 400GbE networking environments, making it an ideal choice for upgrading your infrastructure at a fraction of the cost.

SKU: QDD-400G-PLR4 Brand: Product ID: 377517
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Description

Arista QDD-400G-PLR4 Overview

The QDD-400G-PLR4 is a high-performance QSFP-DD optical transceiver designed by Arista to facilitate ultra-fast 400G connectivity across modern data center fabrics. This module utilizes advanced parallel single-mode fiber technology to ensure reliable, long-reach data transmission for demanding enterprise and cloud environments. By integrating the QDD-400G-PLR4 into your existing network infrastructure, you can achieve significant bandwidth scalability while maintaining low power consumption profiles. This refurbished component offers a cost-effective solution for engineers looking to expand their high-speed switching capacity without compromising on signal integrity.

Arista QDD-400G-PLR4 Technical Details

Engineered for seamless interoperability, the QDD-400G-PLR4 supports standard 400GBASE-PLR4 protocols and operates efficiently over duplex single-mode cabling. The hardware features a compact hot-swappable design, allowing for rapid deployment and easy maintenance within Arista’s high-density switch platforms. Its robust internal architecture is optimized for low-latency performance, making it an ideal choice for high-frequency trading or massive data aggregation tasks. Each unit undergoes rigorous testing to ensure it meets original factory specifications, providing peace of mind for buyers seeking reliable pre-owned networking hardware.

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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