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MCX5DSB41

The Fujitsu MCX5DSB41 is a high-performance, dual-port 100GbE network adapter designed for data-intensive environments, offering reliable connectivity and low-latency performance—ideal for buyers seeking robust used networking hardware.

SKU: MCX5DSB41 Brand: Product ID: 312085
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Description

The Fujitsu MCX5DSB41 is a high-performance network interface card designed for data centers and enterprise environments requiring low-latency, high-throughput connectivity. Built on the Mellanox ConnectX-5 architecture, this dual-port adapter supports 100GbE speeds via QSFP28 interfaces, making it ideal for demanding workloads such as virtualization, storage, and high-performance computing. Its PCIe Gen3 x16 interface ensures fast data transfer between the server and network, while offload capabilities like RDMA over Converged Ethernet (RoCE) and NVMe over Fabrics (NVMe-oF) enhance efficiency. The card’s compact, low-profile form factor allows seamless integration into a wide range of server chassis.

This model includes hardware acceleration for protocols such as TCP/UDP/IP and features advanced virtualization support with SR-IOV and VXLAN/Geneve tunneling. It is equipped with error-correcting code (ECC) memory and supports multiple operating systems including major Linux distributions and Windows Server editions. The MCX5DSB41 is a reliable choice for expanding network capacity or upgrading legacy infrastructure with scalable, future-ready performance. Buyers of used hardware will appreciate its robust design and long service life, making it a cost-effective addition to any high-speed networking environment.

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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