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CAB-Q-4S-100G-3M

The Arista CAB-Q-4S-100G-3M is a 3-meter QSFP28 to 4xSFP28 breakout direct attach copper (DAC) cable designed for high-density 100G to 4x25G network connectivity. This reliable passive cable offers a cost-effective, low-latency solution for linking 100GbE switches to downstream 25GbE server ports in data center environments.

SKU: CAB-Q-4S-100G-3M Brand: Product ID: 376872
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Description

Arista CAB-Q-4S-100G-3M Overview

The CAB-Q-4S-100G-3M is a high-performance breakout cable designed to bridge the gap between 100GbE QSFP28 ports and four individual 25GbE SFP28 interfaces. This reliable copper direct-attach cable, known as the CAB-Q-4S-100G-3M, provides a cost-effective solution for high-density data center environments needing to optimize port utilization. Its robust construction ensures minimal signal degradation, making it an ideal choice for secondary market buyers looking to scale their network infrastructure efficiently. By utilizing the CAB-Q-4S-100G-3M, administrators can seamlessly manage multi-rate connectivity across various server and switch configurations.

Arista CAB-Q-4S-100G-3M Technical Details

This passive twinax cable measures three meters in length, offering sufficient reach for top-of-rack deployments without the need for expensive optical transceivers. It features a precision-engineered QSFP28 connector on one end and four dedicated SFP28 connectors on the other to facilitate rapid data transmission. The cable is fully compliant with industry standards, ensuring plug-and-play compatibility with Arista’s extensive range of high-speed networking hardware. Built for durability, this component is a dependable asset for any refurbished hardware inventory requiring stable, high-bandwidth interconnects.

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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