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QFX3500-48S4Q-AFOS-A

The Juniper QFX3500-48S4Q-AFOS-A is a high-performance, compact 1U switch featuring 48 SFP+ ports and 4 QSFP+ ports, ideal for data center and high-density 10GbE/40GbE environments seeking reliable, cost-effective used networking solutions.

SKU: QFX3500-48S4Q-AFOS-A Brand: Product ID: 314365
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Description

The Juniper QFX3500-48S4Q-AFOS-A is a high-performance, data center-class switch designed to deliver low-latency, high-density 10GbE and 40GbE connectivity. Housed in a compact 1U form factor, it features 48 small form-factor pluggable plus (SFP+) ports and 4 quad small form-factor pluggable plus (QSFP+) ports, making it ideal for top-of-rack deployments in high-throughput environments. The airflow direction on this model is front-to-back (AFOS), suitable for hot-aisle/cold-aisle data center cooling configurations. Its robust build and modular design support scalability and reliability in demanding network infrastructures.

Powered by the Junos operating system, the QFX3500 supports rich Layer 2 and Layer 3 features, including Virtual Chassis technology, which allows multiple switches to operate as a single logical device. It is equipped with redundant, hot-swappable power supplies and fans, ensuring minimal downtime and ease of maintenance. This unit typically includes an integrated control plane and a high-speed packet forwarding engine, providing consistent performance under heavy traffic loads. Ideal for buyers seeking a cost-effective, used solution, the QFX3500-48S4Q-AFOS-A delivers enterprise-grade switching capabilities at a fraction of the cost of new 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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