NSComm NVIDIA/Mellanox Compatible 400G QSFP-DD Ethernet Active Electrical Cable up to 5m(16ft)
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- 400G QSFP-DD to QSFP-DD Active Electrical Cable (AEC), Ethernet 400G (Retimed)
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Overview
The NSComm 400G QSFP-DD Active Electrical Cable (AEC) is a high-performance copper interconnect for 400G PAM4 short-to-medium reach links, using retimer chips at both ends to deliver full signal integrity. AEC is designed to reduce PAM4 data loss and error risk compared with passive copper, making it a strong choice when you need reliable 400G connectivity without moving to optics.
Because NVIDIA Ethernet is widely adopted in modern AI data centers, NSComm supports NVIDIA (ETH) coding options on the product page-recommended for NVIDIA-based switching/NIC environments-while still offering selectable coding for other major platforms when needed.
This AEC integrates a Marvell retimer (built-in) with max power consumption 10W per end, and supports a retimed 400GAUI-8 electrical interface (8¡Á50G PAM4). It is compliant with QSFP-DD MSA, IEEE 802.3cd, and CMIS 5.0 for broad ecosystem interoperability.
Compatibility Options (Coding) - NVIDIA Focus, Multi-Vendor Ready
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Recommended option: choose NVIDIA (ETH) coding for mainstream NVIDIA Ethernet switch/NIC environments.
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Also available: selectable coding options for other platforms (choose the matching option on the product page).
Not sure which coding you need? Contact our certified engineers and we'll help confirm the right option for your exact model.
Use Scenarios / Applications
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NVIDIA Ethernet rack links: connect QSFP-DD 400G switches to servers/NICs or adjacent switches in AI racks.
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Leaf/Spine short links (400G): stable 400G interconnects inside a rack row or between adjacent racks.
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When passive copper is not enough: choose AEC for better signal integrity on PAM4 links, especially at longer copper reaches.
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Fast 400G upgrades: deploy 400G connections quickly without optics for short-to-medium distances.
Key Specifications
| Specification | Details |
|---|---|
| Vendor Name | NSComm |
| Product Type | 400G QSFP-DD Active Electrical Cable (AEC) |
| Form Factor | QSFP-DD to QSFP-DD |
| Max Data Rate | 400Gbps |
| Media | Copper |
| Cable Type | AEC (Active Electrical Cable) |
| Signal Conditioning | Retimer at both ends (Marvell chip) |
| Electrical Interface | 400G AUI-8 (8¡Á50G PAM4, retimed) |
| Modulation | 8¡Á50G-PAM4 |
| Max Power Consumption | 10W per end |
| Minimum Bend Radius | 53mm |
| Wire AWG | 28AWG |
| Jacket Material | PET |
| DDM/DOM | Supported |
| Temperature Range | 0 to 70¡ãC |
| Standards / Compliance | QSFP-DD MSA, IEEE 802.3cd, CMIS 5.0 |
| Warranty | 5 Years |
Why Choose NSComm 400G QSFP-DD AEC?
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NVIDIA-ready: supports NVIDIA (ETH) coding for mainstream deployments.
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Better PAM4 stability: dual-end retimers improve signal integrity vs passive copper.
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400G compliant: built for IEEE 802.3cd and CMIS 5.0 ecosystems.
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Plug-and-play: QSFP-DD ends simplify rack cabling and maintenance.
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DDM/DOM supported: easier monitoring and diagnostics in real deployments.
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Engineer-backed support: coding selection and topology guidance available.
Options
Available lengths: 1m, 2m, 3m, 5m
Coding options: select NVIDIA (ETH) or other vendor coding on the product page
More Details
Quality Certifications
Do you have any question about NSComm 400G QSFP-DD AEC Cable?
Warranty
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