Cisco Compatible QSFP-H40G-ACU7M Active Twinax Cable | 40G QSFP+ Direct Attach Copper, 7 Meter
Product Overview
The Cisco Compatible QSFP-H40G-ACU7M Active Twinax Cable is a high-performance 40Gbps QSFP+ Direct Attach Copper (DAC) cable engineered for extended short-range connectivity in data centers and enterprise networks. With a cable length of 7 meters, this active DAC (ACU) solution integrates signal conditioning electronics to maintain excellent signal integrity over longer distances.
Fully compatible with Cisco networking equipment, this cable provides a cost-effective, low-latency alternative to optical transceivers, making it ideal for inter-rack and row-level connectivity where standard passive DAC cables are insufficient.
Key Features
- Supports 40Gbps data rate (4×10G lanes)
- Active Twinax copper design (ACU) for extended reach
- Integrated signal conditioning for stable transmission
- Fully compatible with Cisco QSFP+ interfaces
- Hot-pluggable QSFP+ connectors
- Lower cost compared to optical solutions
- 100% tested for compatibility and performance
Technical Specifications
General Parameters
- Product Type: Active Direct Attach Copper (DAC) Cable
- Form Factor: QSFP+ to QSFP+
- Data Rate: 40Gbps (4×10Gbps)
- Cable Type: Active Twinax Copper (ACU)
Electrical Characteristics
- Built-in signal amplification and equalization
- 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 and inter-row data center connections
- Top-of-Rack (ToR) to End-of-Row (EoR) switching
- Switch-to-switch 40G interconnects
- Server and storage networking
- High-density enterprise network deployments
Why Choose This Product
The Cisco-compatible QSFP-H40G-ACU7M active DAC cable is specifically designed for extended short-range connections where passive DAC cables cannot maintain signal quality. Compared to other solutions, it offers:
- Extended reach up to 7 meters
- Improved signal integrity with active electronics
- Lower cost than optical transceivers
- Reduced latency compared to AOC solutions
It is the ideal choice for data centers that require longer copper connections without transitioning to fiber optics.
When to Choose This Cable
Choose QSFP-H40G-ACU7M if:
✔ Distance is between 5–7 meters
✔ Passive DAC is not sufficient
✔ Need stable high-speed performance
✔ Want to optimize cost vs 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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