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NVIDIA

NVIDIA MCA4J80-N003-FTF | 800G NDR | OSFP twin-port Active Copper Cable | 3m reach | OSFP↔OSFP | Flat‑Top↔Finned heatsinks | InfiniBand

SKU:MCA4J80-N003-FTF

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Description

Active copper cable for InfiniBand NDR twin‑port OSFP links delivering up to 800 Gb/s aggregate bandwidth with low latency and power. 3m reach is ideal for in‑rack connections. Mixed thermal variant—Flat‑Top on one end and Finned on the other—matches devices with different thermal/airflow requirements. Plug‑and‑play—no separate transceivers required.

Features

- 800G aggregate bandwidth with minimal latency
- Mixed heatsink ends (Flat‑Top ↔ Finned) for thermal compatibility
- Low power compared with optical transceiver solutions
- 3m length ideal for neat in‑rack cabling
- Factory‑terminated OSFP twin‑port connectors for reliability
- Tool‑less, plug‑and‑play deployment

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: Why a Flat‑Top to Finned combination?
A: It allows connecting platforms that require different heatsink styles or airflow patterns on each end.

Q: Is this cable hot‑pluggable?
A: Yes, it supports hot‑plug on systems that support hot‑plug OSFP modules.

Q: Can I use this for Ethernet?
A: It is intended for InfiniBand NDR twin‑port OSFP; use only on systems that explicitly support this cable type.

Q: Do I need additional optics?
A: No. This is an integrated direct‑attach assembly.

Technical Specifications

- Aggregate bandwidth: up to 800 Gb/s (2×400G NDR)
- Interface/standard: InfiniBand NDR, twin‑port OSFP
- Cable type: Active Copper (ACC)
- Length: 3 m
- Connectors: OSFP twin‑port ↔ OSFP twin‑port
- Heatsinks: Flat‑Top on one end, Finned on the other
- Power: Draws from host ports; no external power
- Use case: In‑rack switch‑to‑GPU / switch‑to‑switch with mixed thermal needs
- Compatibility: Devices with twin‑port OSFP NDR cages

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