Network Switch 400G PAM4 QSFP-DD to 4x100G QSFP56 Direct Attach PVC Copper Cable, up to 3m

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Features
Low Power Consumption for Energy-saving
400G Data Center Networking Solution for HPC
The solution leverages 400G and 400G DACs with near-zero power consumption and low latency to provide flexible, easy-to-manage network connectivity and high-throughput transmission, meeting the deployment requirements of HPC networks.
400G PAM4 QSFP-DD to 4×100G QSFP56 Direct Attach Copper Cable (DAC), PVC, Passive, up to 3 m (10 ft)
Overview
The NS 400G PAM4 QSFP-DD to 4×100G QSFP56 Direct Attach Copper Cable (DAC) is a breakout copper interconnect purpose-built for 400G-to-4×100G Ethernet applications in hyperscale data centers, HPC clusters, and enterprise networks.
With one QSFP-DD connector on one end and four QSFP56 connectors on the other, it enables seamless 400G-to-100G breakout connectivity with ultra-low latency and cost efficiency.
Manufactured with twinax copper conductors and a protective PVC jacket, the DAC ensures excellent EMI immunity, durability, and stability. The passive version supports lengths up to 3 m (10 ft) with negligible power draw, while active variants can extend up to 5 m (16 ft) with ≤ 4 W per end.
Compatible Brands
The NS 400G QSFP-DD to 4×100G QSFP56 DAC works seamlessly with devices from Cisco, Huawei, Juniper, Arista, Dell and Nvidia.
Need confirmation for a specific model? [Contact Us Now] and our team will assist.
Key Specifications
Specification | Details |
---|---|
Vendor Name | Network-Switch (NS) |
Product Type | 400G PAM4 QSFP-DD to 4×100G QSFP56 Direct Attach Copper Cable (DAC) |
Data Rate | 400 Gbps total, breakout into 4×100 Gbps channels (PAM4) |
Cable Type | Twinax Copper, PVC Jacket, Passive/Active |
Max Cable Distance | Passive: up to 3 m (10 ft); Active: up to 5 m (16 ft) |
Conductor AWG Options | 30 AWG (≤ 2 m), 26 AWG (≤ 3 m), 24 AWG (active ≤ 5 m) |
Connector Type | 1× QSFP-DD to 4× QSFP56 |
Power Consumption | Passive ≈ 0 W, Active ≤ 4 W |
Temperature Range | 0 °C to 70 °C |
Standards Compliance | QSFP-DD MSA (SFF-8679), QSFP56 MSA (SFF-8665), IEEE 802.3cd/802.3bs, RoHS |
Applications | 400G-to-100G breakout, switch uplinks, leaf-spine aggregation |
Why Choose NS 400G QSFP-DD to 4×100G DAC?
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Breakout design: Converts one 400G port into four 100G channels.
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Cost savings: Eliminates the expense of optics and patch cords.
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Ultra-low latency: Direct copper transmission path.
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Energy efficient: Passive requires no power; active ≤ 4 W.
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Multi-vendor interoperability: Tested with all leading network brands.
Length Options
Standard stocked lengths:
1 m (3 ft), 2 m (7 ft), 3 m (10 ft)
Extended (active) lengths:
5 m (16 ft)
More Details
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