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CAB-Q-4S-100G-1M

The Arista CAB-Q-4S-100G-1M is a 1-meter QSFP28 to 4xSFP28 passive direct attach copper (DAC) breakout cable designed for high-speed 100G to 4x25G connectivity. This reliable breakout solution is ideal for cost-effectively linking 100GbE switch ports to multiple 25GbE server interfaces within a rack.

SKU: CAB-Q-4S-100G-1M Brand: Product ID: 376855
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Description

Arista CAB-Q-4S-100G-1M Overview

The CAB-Q-4S-100G-1M is a high-performance breakout cable designed by Arista Networks to facilitate seamless connectivity between 100G QSFP28 ports and four individual 25G SFP28 interfaces. This reliable CAB-Q-4S-100G-1M assembly features a 1-meter length, making it an ideal solution for short-reach rack-to-rack or top-of-rack data center cabling requirements. By utilizing this passive copper direct attach cable, network engineers can effectively densify their port count while maintaining low latency and power efficiency. It serves as a robust, cost-effective alternative to optical transceivers for high-speed server-to-switch interconnects in demanding enterprise environments.

Arista CAB-Q-4S-100G-1M Technical Details

Engineered for superior signal integrity, the CAB-Q-4S-100G-1M utilizes high-quality twinaxial copper conductors housed within a durable, flexible jacket to ensure long-term reliability. The cable supports data rates up to 100Gbps on the QSFP28 end, splitting the bandwidth into four distinct 25Gbps lanes to support diverse hardware configurations. Each connector is precision-molded to provide a secure fit, minimizing insertion loss and preventing accidental disconnections during routine maintenance. This pre-owned hardware component undergoes rigorous testing to guarantee that it meets original factory specifications for throughput and electromagnetic interference shielding.

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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