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815100-B21

The Cisco 815100-B21 is a high-performance, reliable network adapter designed for demanding enterprise environments, offering robust data throughput and compatibility—ideal for buyers seeking cost-effective, used networking solutions.

SKU: 815100-B21 Brand: Product ID: 325590
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Description

The Cisco 815100-B21 is a high-performance network interface card designed to deliver reliable and efficient connectivity for enterprise-grade networking environments. Engineered to support demanding data center and virtualization workloads, this unit offers robust throughput and low-latency performance, making it ideal for high-traffic infrastructures. Its compact form factor allows for easy integration into existing server configurations without compromising space or airflow. The card features a dual-port 10 Gigabit Ethernet interface, providing flexible and scalable networking options.

Built with durability and efficiency in mind, the 815100-B21 includes advanced offload capabilities such as TCP/IP checksum and segmentation offloading to reduce CPU usage. It supports PCIe 2.0 x8 interface for high-speed data transfers and is compatible with a wide range of Cisco and HP ProLiant servers. The unit is equipped with SFP+ slots, allowing for modular transceiver options based on specific networking needs. Buyers of used hardware will appreciate its proven reliability and long-term performance in enterprise environments.

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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