NVIDIA MMA1Z00-NS400 400Gb/s QSFP112 SR4 Optical Transceiver

NVIDIA MMA1Z00-NS400 is a 400Gb/s Single-Port QSFP112 SR4 multimode parallel optical transceiver engineered for InfiniBand NDR and high-speed Ethernet environments. It features a flat-top connector shell designed to utilize riding heat sinks (cooling fins) on host cages, making it ideal for high-density network interface cards like the NVIDIA ConnectX-7 and BlueField-3 DPUs.

NVIDIA MMA1Z00-NS400 Optical Transceiver Specifications:

Core Performance
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- Total Data Rate: 400 Gb/s
- Port Configuration: Single-port QSFP112
- Supported Protocols: InfiniBand NDR and High-Speed Ethernet
- Modulation: 4 channels of 100G-PAM4 (electrical and optical)
- Dual-Rate Flexibility: Drops to 200Gb/s (2 channels) with splitters

Optical & Media Specifications
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- Form Factor: QSFP112 (Flat-Top design with side bumps)
- Wavelength: 850nm
- Transmitter Type: VCSEL (Vertical-Cavity Surface-Emitting Laser)
- Receiver Type: PIN photodiode
- Optical Connector: Single MPO-12/APC (Green shell, tan pull tab)
- Fiber Type: Multimode Fiber (MMF)
- Maximum Reach:
* 30 meters using OM3 fiber
* 50 meters using OM4 fiber

Electrical & Power Requirements
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- Supply Voltage: Single 3.3V
- Max Power Dissipation (400G): 8.5 Watts max (8.0W typical)
- Max Power Dissipation (200G): 5.5 Watts max
- Low-Power Sleep Mode: Up to 2.0 Watts max
- Management Interface: CMIS 4.0 compliant

Physical & Environmental Bounds
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- Operating Case Temp: 0 deg C to +70 deg C (DDMI up to 75 deg C)
- Storage Temperature: -40 deg C to +85 deg C
- Operating Humidity: 5% to 95% RH (Non-condensing)
- Regulatory Compliance: Class 1 laser safety, RoHS, hot-pluggable