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100G QSFP28 Direct Attach Copper Cable, 26AWG, Passive, 3M
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Product Highlights:
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Supports 100G full-duplex connectivity with 4 independent lanes
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Passive 26AWG copper design for ultra-low latency
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Cost-efficient alternative to optical modules
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Hot-swappable QSFP28 connectors for easy deployment
Table of Contents
Description
The 100G QSFP28 Direct Attach Copper Cable (DAC), 26AWG, Passive, 3M is engineered for high-speed, short-reach interconnects. It provides four independent full-duplex 25.8Gbps lanes, delivering a total of 100Gbps bandwidth. The cable is fully passive, requiring no power, and is designed for direct connectivity between QSFP28-enabled devices such as switches, servers, and storage appliances.
Built with high-quality 26AWG copper, it ensures excellent signal integrity, low insertion loss, and minimal latency. Its compact design and hot-swappable QSFP28 connectors simplify installation and maintenance in dense rack environments.
Specification
| Model No. | Custom (3M passive DAC) |
|---|---|
| Connector A | QSFP28 |
| Connector B | QSFP28 |
| Cable Type | Passive DAC |
| Wire Gauge | 26AWG Copper |
| Length | 3 meters |
| Data Rate | 4×25.8Gbps full-duplex (100G total) |
| Compliance | QSFP28 MSA, IEEE 802.3bj / 802.3bm |
| Applications | HPC, Data Centers, Enterprise Core/Distribution |
| RoHS/CE | Yes |
| OEM/ODM | Supported |
Features
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100G QSFP28 full-duplex connectivity over 4 independent channels
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Passive design with no power requirement
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Supports 25.8Gbps per channel
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26AWG copper for high signal integrity and low insertion loss
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Hot-swappable QSFP28 connectors
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Compact 3-meter length for short-range data center interconnects
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Compatible with major OEM switches and servers
Applications
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High-performance computing (HPC) networks
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Data center top-of-rack (ToR) and core interconnects
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Enterprise network backbone and distribution layers
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Storage networks and SANs
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Switch-to-switch or switch-to-server ultra-short links
Frequently Asked Questions (FAQs)
Q1: What is the maximum recommended distance for this 100G DAC?
Up to 3 meters, suitable for intra-rack or adjacent rack connections.
Q2: Does this cable support full 100G bandwidth?
Yes. It has 4 full-duplex channels, each supporting 25.8Gbps.
Q3: Is external power required?
No, this is a fully passive DAC cable.
Q4: Can this cable work with multiple switch brands?
Yes, it supports major OEM brands like Cisco, Arista, Juniper, Dell, HPE, and Mellanox/NVIDIA.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
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