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CAB-Q-4S-100G-2M

The Arista CAB-Q-4S-100G-2M is a 2-meter QSFP28 to 4xSFP28 passive direct attach copper (DAC) breakout cable designed for high-density 100G to 4x25G network connectivity. This reliable, plug-and-play solution is ideal for cost-effectively linking 100GbE switch ports to multiple 25GbE server interfaces within a rack.

SKU: CAB-Q-4S-100G-2M Brand: Product ID: 376869
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Description

Arista CAB-Q-4S-100G-2M Overview

The CAB-Q-4S-100G-2M is a high-performance breakout cable designed by Arista Networks to facilitate high-density connectivity within data center environments. This passive copper direct attach cable features a QSFP28 connector on one end that splits into four individual SFP28 connectors, allowing for efficient 100G to 4x25G transitions. By utilizing the CAB-Q-4S-100G-2M, network engineers can seamlessly integrate top-of-rack switches with server clusters while minimizing signal latency. This reliable cabling solution is an essential component for professionals seeking to optimize their existing infrastructure with proven, cost-effective hardware.

Arista CAB-Q-4S-100G-2M Technical Details

Engineered for durability, the CAB-Q-4S-100G-2M measures two meters in length and is constructed with high-quality shielding to prevent electromagnetic interference. It supports data rates of up to 100Gbps aggregate, ensuring robust throughput for demanding networking applications and virtualization tasks. The cable is hot-swappable and fully compatible with standard SFP28 and QSFP28 ports found on a wide variety of Arista switches and interface cards. When purchasing this used hardware, you are acquiring a tested, industrial-grade interconnect that maintains signal integrity across short-reach deployments.

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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