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NVIDIA

NVIDIA MCP7Y70-H001 | Speed: 400G→4x100G | Form: OSFP to 4xQSFP56 | Standard: InfiniBand HDR | Wavelength: n/a (passive copper) | Reach: 1m | Connector: OSFP<>QSFP56

SKU:MCP7Y70-H001

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Description

High-density passive copper breakout DAC that converts a 400G HDR OSFP host into four 100G QSFP56 endpoints. Engineered for ultra-low latency and minimal power within top-of-rack and short interconnects in HPC/AI environments.

Features

- Space-saving 1×4 breakout for dense rack deployments
- Ultra-low latency copper path with zero power draw
- Secure OSFP and QSFP56 latching for reliable operation
- Optimized for short, in-rack fabric connections
- Standards-aligned mechanical and electrical interfaces

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Which devices can I connect with this cable?
A: Use it to connect a 400G HDR OSFP host to four QSFP56 100G ports on switches, adapters, or compute nodes that support breakout.

Q: Is it active or passive?
A: Passive copper DAC; it does not require power.

Q: Is Ethernet supported?
A: It targets InfiniBand HDR. Ethernet use depends on host support for OSFP-to-QSFP56 DAC breakout—verify with your platform documentation.

Q: What is the reach?
A: 1 meter for this specific model.

Q: Do I need separate transceivers?
A: No. The DAC terminates directly to the OSFP and QSFP56 cages.

Technical Specifications

- Cable type: Passive copper Direct Attach Splitter (DAC)
- Host interface: 400G twin-port OSFP (InfiniBand HDR)
- Remote interfaces: 4x QSFP56 100G
- Breakout ratio: 1×4 (400G to 4×100G)
- Data signaling: PAM4 lanes (HDR), copper medium
- Length: 1 meter
- Power: Passive, no external power or optics required
- Use case: Top-of-rack fan-out to 100G QSFP56 nodes
- MSA compliance: OSFP MSA and QSFP56 MSA
- Connector latch: OSFP host, QSFP56 endpoints

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