High-Speed 100Gbps QSFP DAC Cable , Low Latency & Plug-And-Play – Cisco Cables And Accessories
The Cisco QSFP-100G-CU3M= is a high-performance 100Gbps Direct Attach Copper (DAC) cable designed for ultra-fast, low-latency connections in data centers, enterprise networks, and high-performance computing (HPC) environments. This passive twinaxial cable offers a cost-effective, plug-and-play solution for short-reach 100G Ethernet, eliminating the need for additional transceivers or power consumption.
Key Features & Benefits
✔ 100Gbps High-Speed Data Transfer – Supports 100G-SR4, 100G-CWDM4, and other 100G standards for seamless high-bandwidth networking.
✔ Ultra-Low Latency – Copper-based DAC ensures faster signal transmission compared to optical solutions, ideal for latency-sensitive applications like AI/ML, financial trading, and cloud computing.
✔ Plug-and-Play Deployment – No external power or signal conditioning required; simply connect between compatible Cisco switches and servers.
✔ 3-Meter Reach – Optimized for short-distance connections within racks or adjacent cabinets (e.g., switch-to-server, TOR interconnects).
✔ Cost-Efficient – More affordable than QSFP-100G optical modules + fiber, reducing overall infrastructure costs.
✔ Cisco Certified & Reliable – Fully compatible with Cisco Nexus 9000/3000 series and other Cisco switches, ensuring stable performance.
Technical Specifications (QSFP-100G-CU3M=)
| Parameter |
Specification |
| Data Rate |
100Gbps (4x25Gbps lanes) |
| Connector Type |
QSFP28 to QSFP28 |
| Cable Type |
Passive Direct Attach Copper (DAC) |
| Max Distance |
3 meters (9.8 ft) |
| Compatibility |
Cisco Nexus 9000, 3000, UCS, and more |
| Protocols |
100G-SR4, 100G-CWDM4, InfiniBand |
| Power Consumption |
None (passive design) |
Ideal Use Cases
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Data Centers: Spine-leaf architectures, switch-to-server interconnects.
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Cloud Computing: High-density server clusters.
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HPC/AI: Low-latency requirements for GPU/CPU communication.
Why Choose Cisco DAC Cables?
Cisco’s QSFP-100G-CU3M= ensures reliable, high-speed connectivity with minimal setup, making it a top choice for enterprises prioritizing performance, cost savings, and simplicity. For longer distances, consider Cisco QSFP-100G-SR4 optical modules.
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High-Speed 100Gbps QSFP DAC Cable , Low Latency & Plug-And-Play – Cisco Cables And Accessories Images
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