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QFX-QSFP-40G-ESR

The Juniper QFX-QSFP-40G-ESR is a high-performance, extended-reach 40GbE QSFP+ transceiver designed for reliable connectivity in data center and enterprise networks, making it an ideal, cost-effective choice for those seeking used networking hardware with robust performance.

SKU: QFX-QSFP-40G-ESR Brand: Product ID: 314335

Description

The Juniper QFX-QSFP-40G-ESR is a high-performance 40 Gigabit Ethernet transceiver module designed for data center and enterprise network environments requiring extended reach. Housed in a QSFP+ form factor, this module supports transmission distances of up to 300 meters over OM3 multimode fiber using MPO/MTP connectors. It delivers reliable and efficient connectivity for high-bandwidth applications, making it a practical solution for scaling network infrastructure. The compact design ensures compatibility with Juniper QFX Series switches and other QSFP+ ports.

Engineered for durability and consistent performance, the QFX-QSFP-40G-ESR operates at a wavelength of 850nm and supports digital diagnostics monitoring (DDM) for real-time status updates. The module is hot-swappable, allowing for seamless upgrades or replacements without service disruption. When purchasing used or refurbished units, buyers benefit from a cost-effective way to expand network capacity while maintaining compatibility with existing hardware. Each unit typically includes the optical transceiver and protective dust caps, with condition and warranty varying by vendor.

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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