Cisco Compatible QSFP-H40G-CU5M Twinax Cable | 40G QSFP+ Direct Attach Copper, 5 Meter
Product Overview
The Cisco Compatible QSFP-H40G-CU5M Twinax Cable is a high-performance 40Gbps QSFP+ Direct Attach Copper (DAC) cable designed for short- to mid-range connectivity in data centers and enterprise networks. With a cable length of 5 meters, it provides extended reach for inter-rack connections while maintaining low latency and cost efficiency.
This cable is typically available in an active Twinax design, ensuring stable signal transmission over longer distances compared to passive DAC options. Fully compatible with Cisco networking equipment, it offers reliable performance and seamless deployment in high-density environments.
Key Features
- Supports 40Gbps data rate (4×10G lanes)
- Active Twinax copper cable for extended reach
- Low latency with stable signal integrity
- Fully compatible with Cisco QSFP+ interfaces
- Hot-pluggable QSFP+ connectors
- Plug-and-play installation
- Cost-effective alternative to optical solutions
- 100% tested for compatibility and performance
Technical Specifications
General Parameters
- Product Type: Direct Attach Copper (DAC) Cable
- Form Factor: QSFP+ to QSFP+
- Data Rate: 40Gbps (4×10Gbps)
- Cable Type: Active Twinax Copper
Electrical Characteristics
- Integrated signal conditioning (active design)
- Stable high-speed transmission over extended distance
Mechanical Specifications
- Jacket Material: PVC / LSZH (optional)
- Bend Radius: Standard DAC compliance
Environmental
- Operating Temperature: 0°C to 70°C
- Storage Temperature: -40°C to 85°C
Compliance
- Fully compatible with Cisco platforms
Applications
- Inter-rack connections in data centers
- Top-of-Rack (ToR) to End-of-Row (EoR) switching
- Switch-to-switch 40G interconnects
- Server and storage connectivity
- Enterprise network infrastructure
Why Choose This Product
The Cisco-compatible QSFP-H40G-CU5M DAC cable is designed for scenarios where additional reach is required without transitioning to optical solutions. Compared to shorter DAC cables, it offers:
- Extended connectivity up to 5 meters
- Improved signal stability with active design
- Lower cost than optical transceivers
- Reduced power consumption compared to fiber-based solutions
It is an ideal choice for data centers seeking to balance performance, reach, and cost.
When to Choose This Cable
Choose QSFP-H40G-CU5M if:
✔ Distance is within 5 meters
✔ Connecting devices across racks or rows
✔ Need extended DAC reach with stable performance
✔ Want to reduce cost compared to optical solutions
Choose optical modules if:
✔ Distance exceeds 7 meters
✔ Flexible routing or structured cabling is required
✔ Long-distance scalability is needed
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