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NVIDIA

NVIDIA MCP7Y40-N01A | DAC breakout | IB NDR 800G→4x200G | OSFP→4xQSFP112 | passive copper | 1.5m

SKU:MCP7Y40-N01A

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Description

Passive copper DAC breakout connecting an InfiniBand NDR 800G twin‑port OSFP to four 200G endpoints via QSFP112. Delivers zero‑power, ultra‑low latency performance for short‑reach, in‑rack fan‑outs from NDR switches or adapters to NDR200 ports. Purpose‑built for dense HPC fabrics and AI clusters where minimal latency and simple deployment matter. Length: 1.5 m.

Features

- Ultra‑low latency, zero‑power passive copper design
- 800G→4x200G breakout simplifies high‑density fan‑out
- OSFP to QSFP112 connectivity for NDR/NDR200 fabrics
- Robust latching connectors for secure in‑rack installs
- Optimized for HPC/AI clusters and dense leaf‑to‑server wiring

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 this cable for Ethernet or InfiniBand?
A: It is for InfiniBand NDR/NDR200. It is not an Ethernet DAC.

Q: Do I need separate transceivers?
A: No. As a passive DAC assembly, the connectors are integrated; no optics are required.

Q: How far can I run this cable?
A: This passive copper DAC is intended for short‑reach, in‑rack links. Use active optical for longer distances.

Q: Will this work with HDR or EDR gear?
A: It requires NDR‑capable OSFP and QSFP112 ports. It is not intended for HDR/EDR devices or QSFP56‑only ports.

Q: What devices is it typically used with?
A: NVIDIA Quantum‑2 NDR IB switches and ConnectX‑7 IB adapters with OSFP/QSFP112 NDR/NDR200 ports.

Technical Specifications

- Interface/protocol: InfiniBand NDR 800G (root) to NDR200 200G x4 (fan-out)
- Breakout: 1x OSFP (twin‑port 800G) to 4x QSFP112 (200G)
- Cable type: Passive copper DAC
- Aggregate data rate: 800 Gb/s (4x 200 Gb/s legs)
- Length: 1.5 m
- Connectors: OSFP male → 4x QSFP112 male
- Power: 0 W (passive), ultra‑low latency
- Use case: Short‑reach, in‑rack fan‑out from NDR switch/adapter to 4 endpoints
- Compatibility: NDR‑capable OSFP and QSFP112 ports (e.g., Quantum‑2, ConnectX‑7 IB)

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