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QSFP-100G-LR4-S

The Cisco QSFP-100G-LR4-S is a hot-swappable, high-performance 100G transceiver designed for long-range data center and enterprise networking, supporting up to 10km over single-mode fiber with low power consumption—ideal for cost-effective, scalable used hardware deployments.

SKU: QSFP-100G-LR4-S Brand: Product ID: 127078
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Description

The Cisco QSFP-100G-LR4-S is a high-performance 100GBASE-LR4 transceiver module designed for long-range data transmission over single-mode fiber (SMF). With a reach of up to 10 kilometers, it utilizes four wavelengths in the 1310nm range and multiplexes them into a single fiber pair, ensuring efficient and reliable connectivity. The module supports LC duplex connectors and complies with the QSFP28 form factor, making it a compact and energy-efficient solution for high-speed networking environments. Designed for compatibility with Cisco networking equipment, it provides seamless integration into existing infrastructures.

Built for demanding data center and enterprise applications, this transceiver operates within a temperature range of 0°C to 70°C, ensuring stability in various conditions. It supports a maximum data rate of 103.1 Gbps and features Digital Optical Monitoring (DOM) for real-time performance diagnostics. The QSFP-100G-LR4-S is hot-swappable, allowing for easy deployment and minimal network downtime during upgrades or replacements. Ideal for used hardware buyers, this module offers a cost-effective way to expand network capacity without sacrificing performance.

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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