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838083-B21

The Cisco 838083-B21 is a high-performance network adapter designed for enterprise environments, offering reliable connectivity and efficient data throughput—ideal for buyers seeking cost-effective, used networking solutions.

SKU: 838083-B21 Brand: Product ID: 325592
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Description

The Cisco 838083-B21 is a high-performance network interface card designed to deliver robust connectivity and reliable data throughput in enterprise environments. Built with advanced engineering and durable components, this unit supports dual-port 10 Gigabit Ethernet, making it ideal for data-intensive applications and high-speed server communication. Its low-profile form factor ensures compatibility with a wide range of server chassis, while the PCIe 3.0 interface provides fast and efficient data transfer. This model is particularly well-suited for virtualization, cloud computing, and large-scale data center deployments.

Equipped with features such as VLAN tagging, TCP segmentation offload (TSO), and support for iSCSI boot, the Cisco 838083-B21 allows for optimized network traffic management and improved CPU efficiency. It includes two SFP+ ports for flexible fiber or copper connectivity, depending on the transceivers used. The card is fully compatible with major operating systems and integrates seamlessly into existing Cisco infrastructure. Ideal for those seeking reliable used network hardware, this NIC offers enterprise-grade performance at a fraction of the cost of new equipment.

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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