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NVIDIA

NVIDIA MCP7Y40-N003 | 800G NDR OSFP to 4x200G QSFP112 DAC, passive copper, 3m, breakout 1:4, InfiniBand, 112G PAM4 lanes, reach 3m, connectors: OSFP | QSFP112

SKU:MCP7Y40-N003

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Description

Passive copper splitter DAC engineered for InfiniBand NDR fanout from one 800G OSFP host to four 200G QSFP112 branches. Supports short-reach links up to 3 meters with ultra-low latency and zero power, ideal for dense data center fabrics.

Features

- Scalable 1:4 fanout from 800G host to four 200G endpoints
- No power draw and minimal thermal footprint
- Ultra-low latency, ideal for HPC and AI fabrics
- 3 m reach for flexible cabinet routing
- Hot-pluggable OSFP/QSFP112 modules
- Lower TCO for short reach compared to optical solutions

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: Is the assembly passive?
A: Yes, it is a passive DAC.

Q: What does it connect?
A: One 800G OSFP NDR port to four 200G QSFP112 NDR200 ports.

Q: How are lanes allocated?
A: 8x100G at OSFP split into 4 branches of 2x100G each at QSFP112.

Q: Can it work on non-IB gear?
A: It is designed for NDR IB; only use where the platform explicitly supports it.

Q: Do I need optics or power?
A: No; direct attach copper with no external power.

Q: Hot-plug support?
A: Yes, both ends are hot-pluggable.

Technical Specifications

- Interface/standard: InfiniBand NDR (800G aggregate)
- Data rate: 800G host to 4x 200G branches
- Electrical lanes: OSFP 8x 100G-PAM4; each QSFP112 branch 2x 100G-PAM4
- Connector A: OSFP (host)
- Connectors B: 4x QSFP112 (fanout)
- Cable type: Direct Attach Copper (passive)
- Breakout ratio: 1:4
- Reach/length: 3 m
- Low latency: passive copper, no retimers
- Hot-pluggable form factors

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