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CAB-Q-4S-100G-5M

The Arista CAB-Q-4S-100G-5M is a 5-meter QSFP28 to 4xSFP28 passive direct-attach copper (DAC) breakout cable designed for high-speed 100G to 4x25G network connectivity. This reliable breakout solution is ideal for cost-effective, short-reach server-to-switch uplinks in data center environments.

SKU: CAB-Q-4S-100G-5M Brand: Product ID: 376893
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Description

Arista CAB-Q-4S-100G-5M Overview

The CAB-Q-4S-100G-5M is a high-performance direct attach breakout cable designed to bridge the gap between 100GbE QSFP28 ports and four 25GbE SFP28 interfaces. This robust assembly, identified by the CAB-Q-4S-100G-5M part number, provides a reliable and cost-effective solution for high-density data center environments requiring low-latency connectivity. Its specialized design ensures seamless interoperability across Arista switching platforms, making it an ideal choice for network administrators looking to maximize port utilization. By utilizing this cable, users can efficiently distribute high-bandwidth traffic from a single core uplink to multiple downstream server nodes.

Arista CAB-Q-4S-100G-5M Technical Details

Engineered with a length of five meters, the CAB-Q-4S-100G-5M features high-quality copper twinax conductors that maintain signal integrity across the entire span. The integrated transceiver modules are pre-configured for plug-and-play deployment, eliminating the need for complex software provisioning during installation. This hardware component supports standard IEEE 802.3by protocols, ensuring consistent throughput and minimal electromagnetic interference in crowded rack environments. Its durable shielding and precision-molded connectors offer the mechanical stability necessary for long-term reliability in demanding server room infrastructures.

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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