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SG550X-48MP-K9

The Cisco SG550X-48MP-K9 is a high-performance 48-port Gigabit stackable managed switch with PoE+ support, advanced Layer 3 features, and robust security, making it an ideal cost-effective solution for expanding enterprise or campus networks when purchasing used hardware.

SKU: SG550X-48MP-K9 Brand: Product ID: 309874
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Description

The Cisco SG550X-48MP-K9 is a robust 48-port Gigabit managed switch designed for small to medium-sized business networks that require advanced performance and flexibility. Housed in a durable 1U rack-mountable chassis, it features 48 Gigabit Ethernet ports with full PoE+ support, delivering up to 740W of power for devices like IP phones, wireless access points, and security cameras. In addition to the main ports, it includes four 10-Gigabit SFP+ uplink ports for high-speed backbone or server connections, ensuring smooth data flow even in demanding environments. The fan-cooled design ensures consistent thermal management for reliable 24/7 operation.

This switch supports Layer 3 static and dynamic routing, advanced QoS, and comprehensive security protocols, making it suitable for complex network infrastructures. It is powered by a high-performance switching capacity of up to 176 Gbps and a forwarding rate of 130.95 Mpps, enabling efficient traffic handling across multiple VLANs and services. The SG550X-48MP-K9 also includes features like IPv6 support, energy-efficient Ethernet, and Cisco’s intuitive web-based management interface for simplified configuration and monitoring. When purchasing used, buyers should check for included rack ears, power cord, and confirm the condition of the internal fans and PoE functionality.

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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