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400G QSFP-DD Direct Attach Copper Cable, 30AWG, Passive, 5M
Categories:
Product Highlights:
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Passive 400G QSFP-DD DAC for ultra-short-reach connections
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8×50G PAM4 lanes delivering up to 400Gbps performance
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Cost-efficient alternative to active optical modules
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Robust 30AWG copper cable for low insertion loss
Table of Contents
Description
The 400G QSFP-DD Direct Attach Copper Cable (DAC) is designed for high-speed, short-distance data center connectivity. Supporting a full 400Gbps data rate over 8×50G PAM4 lanes, this passive DAC provides a low-latency and power-efficient solution for switch-to-switch and switch-to-server interconnects.
Built with 30AWG high-quality copper, the cable delivers excellent signal integrity and low insertion loss while maintaining compliance with QSFP-DD MSA and SFF-8636 management interface standards. It is ideal for deployments requiring high bandwidth with minimal cost and power consumption.
Specification
| Connector A | QSFP-DD |
|---|---|
| Connector B | QSFP-DD |
| Cable Type | Passive DAC |
| Data Rate | 400Gbps (8×50G PAM4) |
| Length | 5 meters |
| Wire Gauge | 30AWG copper |
| Power Consumption | 0W (passive) |
| Standards | QSFP-DD MSA, SFF-8636, IEEE 802.3cd/bs |
| Applications | ToR, switch-to-server, short-reach interconnects |
Features
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Supports up to 400Gbps full-duplex data rate
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QSFP-DD connectors on both ends
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Passive cable with zero power consumption
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8×50Gbps PAM4 electrical lanes
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Low insertion loss and low latency
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High-quality 30AWG copper construction
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Cost-effective alternative to 400G optical modules
Applications
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Top-of-Rack (ToR) switch connections
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Switch-to-server or switch-to-switch interconnects
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Hyper-scale and enterprise data centers
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High-speed computing clusters
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Short-reach 400G system deployments up to 5 meters
Frequently Asked Questions (FAQs)
Q1: What is the maximum transmission distance of this DAC?
This passive DAC supports reliable transmission up to 5 meters.
Q2: Is it compatible with major switch brands?
Yes. Vendor-specific coding can be customized for seamless compatibility.
Q3: What is the advantage of a passive DAC cable?
It consumes no power, offers ultra-low latency, and is significantly cheaper than optical modules.
Q4: Does this cable support the full 400Gbps rate?
Yes, it supports 8×50G PAM4 lanes for a total of 400Gbps.
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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