Huawei QSFP-40G-CU3M DAC Cable
Product Description
The Huawei QSFP-40G-CU3M is a high-speed 40G QSFP+ direct-attach copper (DAC) cable designed for short-distance data transmission in data centers and enterprise networks. It provides a cost-effective and reliable solution for connecting devices with QSFP+ interfaces.
Key Features
- Supports data rates up to 40Gbps for high-bandwidth applications
- QSFP+ to QSFP+ connectivity for direct device interconnection
- Passive copper cable design for low power consumption and high reliability
- Cable length: 3 meters, ideal for short-range connections
- Compliant with 40G Ethernet and InfiniBand standards
- Plug-and-play installation with no additional configuration required
Technical Specifications
- Form Factor: QSFP+ to QSFP+
- Cable Type: Direct Attach Copper (DAC)
- Maximum Data Rate: 40Gbps
- Length: 3m
- Operating Temperature: 0°C to 70°C
- Wire Gauge: 28AWG
Applications
- Data centers and server racks
- High-speed switch-to-switch connections
- Storage area networks (SAN)
- Enterprise core and aggregation networks
Why Choose This Product
The Huawei QSFP-40G-CU3M delivers stable 40G connectivity with low latency and reduced power consumption, making it an efficient and cost-effective choice for short-distance high-speed networking.

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