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QSFP-40G-XSR4

The Arista QSFP-40G-XSR4 is a high-density 40GBASE-XSR4 QSFP+ optical transceiver designed for short-reach, multi-mode fiber connectivity in data center environments. This reliable module offers a cost-effective solution for high-speed inter-rack links, making it an ideal choice for expanding your existing network infrastructure with verified, pre-owned hardware.

SKU: QSFP-40G-XSR4 Brand: Product ID: 376643
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Description

Arista QSFP-40G-XSR4 Overview

The Arista QSFP-40G-XSR4 is a high-performance optical transceiver module designed to provide reliable 40 Gigabit Ethernet connectivity across short-reach multimode fiber infrastructures. This compact, hot-swappable unit is engineered to integrate seamlessly into Arista switches, ensuring robust data throughput for demanding enterprise and data center environments. By choosing the QSFP-40G-XSR4 for your refurbished hardware needs, you gain a cost-effective solution that maintains the high standards of Arista’s networking ecosystem. Its durable construction ensures long-lasting performance even in high-density rack configurations where space and efficiency are critical.

Arista QSFP-40G-XSR4 Technical Details

Operating over MPO-12 connectors, the QSFP-40G-XSR4 utilizes advanced VCSEL technology to support high-speed data transmission over OM3 and OM4 cabling. This module adheres to the QSFP+ form factor, featuring low power consumption and optimized thermal management for stable operation under heavy workloads. Technical specifications include support for standard 40GBASE-SR4 protocols, making it an ideal component for upgrading legacy server racks or expanding existing network capacity. Each unit is rigorously tested to ensure full compatibility and signal integrity, providing a reliable plug-and-play experience for your networking infrastructure.

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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