NVIDIA MMA4Z00-NS400 400Gbps OSFP Flat-Top Optical Transceiver
* NVIDIA 400Gbps OSFP Flat-Top Optical Transceiver
* Max Aggregate Rate: 400 Gbps
* Modulation Scheme: 100G-PAM4
* Optical Wavelength: 850nm Nominal (Range: 844nm to 863nm)
* Media Type: Multi-Mode Fiber (MMF / OM3 / OM4)
* Maximum Reach (OM4): Up to 50 meters (m) - Assumes 2 patch panels
* Maximum Reach (OM3): Up to 30 meters (m)
* Optical Connector: Single MPO-12 / APC
Availability: In stock
NVIDIA MMA4Z00-NS400 Optical Transceiver Specifications:
Core Hardware
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* Form Factor: OSFP Flat-Top (Designed for Riding Heat Sink/RHS)
* Max Aggregate Rate: 400 Gbps (4x 100G lanes)
* Protocol Support: Dual Protocol (InfiniBand NDR & Ethernet 400GbE)
* Modulation Scheme: 100G-PAM4 (Pulse Amplitude Modulation 4-level)
* Standard Compliance: 400GBASE-SR4, OSFP MSA, CMIS 4.0, IEEE 802.3ck
Optical & Fiber Interface
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* Optical Wavelength: 850nm Nominal (Range: 844nm to 863nm)
* Media Type: Multi-Mode Fiber (MMF / OM3 / OM4)
* Maximum Reach (OM4): Up to 50 meters (m) - Assumes 2 patch panels
* Maximum Reach (OM3): Up to 30 meters (m)
* Optical Connector: Single MPO-12 / APC (Angled Physical Contact)
* Transmitter Laser: 850nm VCSEL (Vertical-Cavity Surface-Emitting Laser)
* Receiver Component: PIN Photodiode Array
* Avg Launch Power: -4.6 dBm to +4.0 dBm per lane
* RX Sensitivity: -4.4 OMAouter dBm per lane
Power & Environmental
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* Max Power (4-Chan): 8.5 Watts (Full 400G Mode)
* Max Power (2-Chan): 5.5 Watts (200G Breakout/Splitter Mode)
* Internal DSP Type: Broadcom DSP Embedded Architecture
* Diagnostic Systems: Digital Optical Monitoring (DOM) / DDM
* Operating Temp Range: Commercial Standard: 0 deg C to 70 deg C (32 deg F to 158 deg F)
* Supply Voltage: Nominal 3.3V (Tolerance: 3.135V to 3.465V)
System Applications
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* Firmware Autodetect: Automatically enables InfiniBand or Ethernet based on host switch.
* Host Deployment: Optimized for ConnectX-7 HCA and BlueField-3 DPU card cages.
* Breakout Flexibility: Supports 2x200G NDR200 operation via 1:2 fiber splitter cables.
* Internal Blueprint: Identical internal architecture to the QSFP112 version (MMA1Z00-NS400).

