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Cisco QSFP-4SFP25G-CU5M DAC Cable – 100Gbps High-Speed , Low Latency , Plug-And-Play Cisco Cables And Accessories

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Cisco QSFP-4SFP25G-CU5M DAC Cable – 100Gbps High-Speed , Low Latency , Plug-And-Play Cisco Cables And Accessories

Brand Name : Cisco

Model Number : QSFP-4SFP25G-CU5M=

Cable Category : Cat5e, Cat6, Cat6a

Warranty : Limited lifetime warranty

Country Of Origin : Various countries

Usage : For data transfer and power supply

Subtype : Gigabit Ethernet Ports

Length : 3 feet

Chassis : WS-C2960XR-24TS-I WS-C2960XR-48TS-I

Product Code : CAB-AC-xx

Number Of Ports : 24

Product Type : Cables And Accessories

Type : Cables and Accessories

Connector Material : Gold-plated

Data Transfer Speed : Up to 1Gbps

Operating Temperature : 0°C to 70°C

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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

  • Data Centers: Connect 100G switches to 25G servers/NVMe storage.

  • Cloud Computing: High-speed interconnects for virtualized environments.

  • AI/ML & HPC: Low-latency cluster communication.

  • 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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