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OSFP-400G-LR4

The Arista OSFP-400G-LR4 is a high-performance 400GBASE-LR4 optical transceiver module designed for long-reach data center interconnects using single-mode fiber. This reliable OSFP module provides high-density, low-latency connectivity, making it an ideal choice for scaling your network infrastructure with cost-effective, pre-owned hardware.

SKU: OSFP-400G-LR4 Brand: Product ID: 377185
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Description

Arista OSFP-400G-LR4 Overview

The OSFP-400G-LR4 is a high-performance optical transceiver module engineered by Arista to facilitate ultra-fast 400Gbps data transmission over long-range single-mode fiber links. Designed for demanding enterprise and data center environments, the OSFP-400G-LR4 utilizes the compact OSFP form factor to ensure high port density and efficient cooling in modern network switches. This used hardware component provides a reliable, cost-effective solution for network engineers looking to scale their infrastructure without compromising on signal integrity or throughput. By integrating advanced laser technology, this module ensures seamless interoperability within existing Arista networking ecosystems.

Arista OSFP-400G-LR4 Technical Details

This specific OSFP-400G-LR4 unit features four-channel wavelength division multiplexing to achieve its impressive 400G capacity over distances reaching up to 10 kilometers. The hardware is built with robust internal components designed to withstand the thermal rigors of continuous operation in high-traffic server racks. Each module undergoes rigorous testing to verify that its optical output and sensitivity meet the original manufacturer’s strict performance benchmarks. Whether you are upgrading a backbone link or expanding a campus network, this transceiver offers the precise technical specifications required for stable, high-bandwidth communication.

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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