NVIDIA MMA4Z00-NS 800Gb/s 2-port OSFP Optical Transceiver Module

NVIDIA MMA4Z00-NS is an InfiniBand NDR and Ethernet compatible 800Gb/s Twin-port OSFP optical transceiver module designed for high-performance computing (HPC) and AI data centers. According to the NVIDIA Technical Documentation, it aggregates two 400Gb/s links into a single twin-port physical cage to maximize switch density.

NVIDIA MMA4Z00-NS Optical Transceiver Module Specifications:

Product Overview
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- Type: InfiniBand NDR & 800G Ethernet Dual-Mode Optical Transceiver
- Function: Twin-port module aggregating 2x 400Gb/s links into a single cage
- Form Factor: OSFP (Octal Small Form Factor Pluggable)

Core Performance
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- Total Data Rate: 800 Gbps (Configured as 2x 400 Gbps)
- Modulation: 100G-PAM4 (8 electrical channels)
- Optical Wavelength: 850nm
- Transmitter Type: VCSEL (Vertical-Cavity Surface-Emitting Laser)
- Receiver Type: PIN Photodiode Array

Reach & Cabling
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- Fiber Type: Parallel Multimode Fiber (MMF)
- Optical Reach (OM4): Up to 50 meters
- Optical Reach (OM3): Up to 30 meters
- Connector Type: Dual MPO-12/APC (Angled Physical Contact)

Power & Environmental
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- Maximum Power Dissipation: 17 Watts (Typical: 14W - 15W)
- Low-Power Mode Dissipation: 1.5W - 2.0W
- Operating Case Temperature: 0°C to 70°C (Standard Commercial Range)
- Compliance: CMIS 4.0, OSFP MSA, RoHS

Mechanical Variants
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- Finned-Top OSFP: Integrated cooling fins for standard air-cooled switches (Quantum-2 / Spectrum-4)
- Flat-Top OSFP (MMA4Z00-NS-FLT): Flat design for liquid-cooled systems and NVIDIA DGX H100 (Cedar7)