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Home Electronics Adapters & Cables NVIDIA Mellanox MCA4J80-N005 800Gb/s NDR Active Copper Cable

NVIDIA Mellanox MCA4J80-N005 800Gb/s NDR Active Copper Cable

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NVIDIA Mellanox MCA4J80-N005 is a 5-meter Active Copper Cable (ACC) for high-bandwidth InfiniBand NDR networking. NVIDIA identifies it as an IB twin-port NDR cable supporting up to 800Gb/s with OSFP connectivity. It is designed for short-reach, high-performance interconnects where buyers need high throughput with copper media rather than optical cabling.

OVERVIEW

  • NVIDIA Mellanox MCA4J80-N005 is a 5m Active Copper Cable for InfiniBand NDR, supporting up to 800Gb/s through a twin-port OSFP architecture. Compatibility: intended for supported NVIDIA NDR/OSFP networking platforms; verify port and connector requirements before purchase. Model comparison: N003 is 3m and N004 is 4m, while N005 provides the 5m reach. 

USE CASES

  • AI/HPC cluster interconnects – Provides high-bandwidth copper connectivity for demanding compute environments.
  • NVIDIA Quantum-2 InfiniBand networks – Suitable for supported NDR switch-to-switch connectivity.
  • 800Gb/s data-center fabrics – Supports high-throughput interconnect requirements over a 5m copper run.
  • GPU cluster networking – Helps connect high-performance infrastructure where low-distance, high-bandwidth links are required.
  • Server-to-switch connectivity – Appropriate where supported NVIDIA hardware uses compatible OSFP NDR interfaces.
  • Storage-intensive HPC environments – Provides high-speed fabric connectivity for workloads requiring substantial inter-node bandwidth.
  • AI training infrastructure – Designed for high-performance networking architectures used in distributed compute environments.
  • Short-reach rack interconnects – The 5m length provides additional routing flexibility compared with shorter MCA4J80 variants.
  • Data-center network expansion – Useful for extending supported NDR connections without moving to optical cabling.
  • System-integrator deployments – Provides a defined NVIDIA part number for procurement and infrastructure BOMs.

KEY FEATURES

  • 800Gb/s-class NDR connectivity – Supports extremely high-bandwidth networking for AI and HPC environments.
  • Active Copper Cable (ACC) – Extends the practical copper reach beyond shorter passive-copper options.
  • 5-meter length – Provides greater rack-level routing flexibility than 3m and 4m versions.
  • OSFP form factor – Matches the connector ecosystem used by supported high-speed NVIDIA networking platforms.
  • Twin-port NDR design – Built for the specified twin-port 800Gb/s NDR architecture.
  • 26-AWG copper construction – NVIDIA specifies 26 AWG for the 5m MCA4J80-N005 variant. 
  • NVIDIA LinkX family – Provides an OEM-defined interconnect option for supported NVIDIA networking deployments.
  • Designed for short-reach high-speed links – Provides a copper alternative where a 5m optical link is unnecessary.
  • NDR InfiniBand support – Targets high-performance fabrics used in AI, HPC and data-center environments.
  • Defined 5m SKU – Simplifies procurement and avoids confusion with the 3m and 4m MCA4J80 variants.

TECHNICAL SPECIFICATIONS

  • Brand: NVIDIA
  • Legacy Part Number: MCA4J80-N005
  • NVIDIA Part Number: 980-9I602-00N005
  • Product Type: Active Copper Cable (ACC)
  • Cable Family: NVIDIA LinkX
  • Networking Technology: InfiniBand NDR
  • Maximum Data Rate: Up to 800Gb/s
  • Architecture: Twin-port NDR
  • Connector/Form Factor: OSFP
  • Cable Length: 5 meters
  • Conductor: Copper
  • Wire Gauge: 26 AWG
  • Cable Construction: 2 × 8 pairs
  • Cable Diameter: 8.9 mm
  • Minimum single-bend radius, far from connector: 5× cable diameter
  • Minimum repeated-bend radius: 10× cable diameter
  • Minimum assembly bend radius near connector: 10× cable diameter
  • Minimum bend radius specified for N005: 89 mm
  • Compatibility: Supported NVIDIA NDR/OSFP platforms; verify exact host/switch
  • 3m Comparison: MCA4J80-N003
  • 4m Comparison: MCA4J80-N004
  • 5m Model: MCA4J80-N005

Why Choose This Product?

  • 800Gb/s NDR capability – Provides the bandwidth class required by modern AI and HPC networking architectures.
  • 5m deployment flexibility – Gives data-center teams more cable-routing distance than 3m or 4m variants.
  • Active copper architecture – Offers a high-speed copper interconnect option for suitable short-reach deployments.
  • NVIDIA-defined SKU – Simplifies sourcing, BOM creation, asset tracking and replacement procurement.
  • OSFP connectivity – Aligns with supported NVIDIA high-speed NDR networking equipment.
  • Purpose-built for NDR environments – Targets the demanding interconnect requirements of AI clusters, HPC and high-performance data centers.
  • Avoids unnecessary optical deployment – For supported 5m copper links, an ACC can provide the required reach without moving to an optical cable architecture.
  • Clear model differentiation – N005 is specifically the 5m MCA4J80 variant, helping buyers select the required physical reach.

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