Cisco QSFP-4SFP25G-CU5M DAC Cable – 100Gbps High-Speed , Low Latency , Plug-And-Play Cisco Cables And Accessories
The Cisco QSFP-4SFP25G-CU5M is a high-performance Direct Attach Copper (DAC) cable designed for 100Gbps (4x25Gbps) data transmission in modern data centers, cloud networks, and enterprise environments. This passive DAC cable provides a cost-effective, low-latency solution for short-distance connections between QSFP28 (100G) and SFP28 (25G) ports, ensuring seamless integration with Cisco switches, routers, and servers.
Key Features & Benefits
✔ 100Gbps (4x25G) Bandwidth – Supports high-speed data transfer for bandwidth-intensive applications like AI, HPC, and storage networks.
✔ Ultra-Low Latency – Passive copper design reduces signal delay, ideal for real-time workloads.
✔ Plug-and-Play – No additional configuration or external power required; hot-swappable for easy deployment.
✔ Cost-Effective – More affordable than optical transceivers, perfect for short-reach (≤5m) connections.
✔ Reliable & Durable – High-quality copper construction ensures stable performance with minimal signal loss.
✔ Cisco Certified – Guaranteed compatibility with Cisco Nexus 9000, UCS, and other enterprise-grade devices.
Technical Specifications
| Parameter |
Details |
| Cable Type |
Passive DAC (Direct Attach Copper) |
| Connectors |
QSFP28 (100G) to 4x SFP28 (25G) |
| Data Rate |
100Gbps (4x25Gbps breakout) |
| Max Distance |
5 meters |
| Latency |
Ultra-low (passive copper) |
| Compatibility |
Cisco Nexus 9000, UCS, and other QSFP28/SFP28 devices |
| Power Consumption |
None (passive design) |
| Operating Temp. |
0°C to 70°C (32°F to 158°F) |
Ideal Use Cases
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Data Centers: Connect 100G switches to 25G servers/NVMe storage.
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Cloud Computing: High-speed interconnects for virtualized environments.
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AI/ML & HPC: Low-latency cluster communication.
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Enterprise Networks: Core-to-aggregation layer connectivity.
Why Choose This Cisco DAC Cable?
The Cisco QSFP-4SFP25G-CU5M offers a reliable, high-speed, and budget-friendly alternative to fiber optics for short-distance networking. With plug-and-play simplicity and Cisco-certified compatibility, it ensures seamless integration into existing infrastructure while reducing deployment costs.
For longer distances, consider Cisco active optical cables (AOCs) or QSFP28 transceivers.
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Cisco QSFP-4SFP25G-CU5M DAC Cable – 100Gbps High-Speed , Low Latency , Plug-And-Play Cisco Cables And Accessories Images
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