NSComm NVIDIA/Mellanox Compatible 1.6T OSFP Flat Top Infiniband XDR Active Direct Attach Copper Twinax Cable up to 3m(10ft)
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1.6T OSFP (Flat Top) to OSFP (Flat Top) InfiniBand XDR Active Direct Attach Copper Twinax Cable (ACC/DAC) - NVIDIA Ready
Overview
The NSComm 1.6T OSFP Flat Top Active Direct Attach Copper (ACC/DAC) Twinax Cable is designed for NVIDIA InfiniBand XDR end-to-end systems, delivering ultra-high bandwidth, low latency connectivity for short-reach interconnects in AI/HPC and hyperscale environments. With twin-port OSFP (flat top / OSFP-RHS) connectors on both ends, it enables plug-and-play deployment in dense adapter and switch cages that rely on external heatsinks.
This active DAC supports up to 1600Gbps aggregate throughput using 8200G-PAM4 lanes (8200G-PAM4 to 8200G-PAM4). Built for signal integrity at high Nyquist frequencies, it provides strong shielding to minimize crosstalk and ensure stable performance. With max power consumption 2.5W per end, it's a power-efficient alternative to optics for short, high-speed XDR links.
Compatibility (NVIDIA InfiniBand)
This cable is intended for NVIDIA InfiniBand XDR deployments. Choose the NVIDIA InfiniBand option on the product page for XDR switch and adapter environments.
Need help confirming fit for your exact switch/HCA? Contact our certified engineers for quick validation.
Use Scenarios / Applications
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XDR switch-to-switch links: short interconnects inside AI/HPC pods where maximum bandwidth and low latency matter.
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Switch-to-HCA in GPU racks: connect XDR switches to OSFP-based HCAs for high-throughput GPU cluster networking.
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Spine / super-spine inside rows: dense fabric links in supercomputers and hyperscale systems over short cable lengths.
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High-density rack build-outs: flat-top OSFP form factor supports cages using riding heatsinks for better thermal design.
Key Specifications
| Specification | Details |
|---|---|
| Vendor Name | NSComm |
| Product Type | 1.6T OSFP Flat Top InfiniBand XDR Active Direct Attach Copper (ACC/DAC) Twinax Cable |
| Form Factor | OSFP (Flat Top) to OSFP (Flat Top) |
| Max Data Rate | 1600Gbps |
| Lane Signaling | 8200G-PAM4 to 8200G-PAM4 |
| Media | Copper |
| Cable Type | Active DAC (ACC) |
| Max Power Consumption | 2.5W per end |
| Minimum Bend Radius | 60mm |
| Wire AWG | 25AWG |
| Jacket Material | LSZH |
| Temperature Range | 0 to 70C |
| Standards / Compliance | OSFP Rev 5.2, CMIS 5.0, IEEE 802.3df, IEEE 802.3dj |
| Warranty | 5 Years |
Why Choose NSComm 1.6T OSFP XDR ACC/DAC?
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NVIDIA XDR ready: qualified for InfiniBand XDR end-to-end systems.
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Ultra-high bandwidth: up to 1.6T aggregate throughput.
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Strong signal integrity: shielding minimizes crosstalk at high speeds.
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Power efficient: 2.5W per end for dense cluster planning.
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Flat-top OSFP: designed for cages using external heatsinks in AI/HPC racks.
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Engineer-backed support: fast validation for switch/HCA model fit.
Options
Available lengths: 1m, 2m, 3m
More Details
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