NVIDIA MMS4A50-XM 1.6T Twin-port OSFP 2xFR4 Optical Transceiver

NVIDIA MMS4A50-XM 1.6T Twin-port OSFP 2xFR4 Optical Transceiver Specifications:

Product Summary
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* Part Number: MMS4A50-XM (980-9IAS0-00XM00)
* Extended Variant: MMS4A50-XM-RHS (980-9IAS1-00XM00 - Flat Top version)
* Manufacturer: NVIDIA (Mellanox Interconnect Architecture)
* Device Type: 1.6T (1600Gb/s) Twin-port OSFP 2xFR4 Optical Transceiver
* Application: InfiniBand XDR Fabrics, Quantum-X800 Switches, AI Clusters

Performance & Speed
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* Aggregate Data Rate: 1600 Gb/s (1.6 Terabits per second)
* Port Breakdown: Twin-Port Layout (2 independent 800Gb/s FR4 links)
* Modulation (Electrical): 8-channels of 200G-PAM4 (8x 212.5 Gb/s)
* Modulation (Optical): Two ports of 4-channel 200G-PAM4
* Wavelength Grid: CWDM4 multiplexed array (1271, 1291, 1311, 1331 nm)
* Reach / Transmission Distance: Up to 2,000 meters (2 km) over SMF

Hardware & Interface
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* Form Factor: OSFP224 (Next-generation high-speed OSFP layout)
* Optical Connector: Dual Duplex LC / UPC Receptacles
* Media Type: Single-Mode Parallel Fiber (SMF)
* Transmitter Laser: Coarse Wavelength Division Multiplexing (CWDM) Silicon Photonics MZM / EML
* Receiver Sensor Type: PIN Photodiode array
* Internal Processing: Built-in Broadcom 3nm DSP (Sian3 / BCM83628 chip)

Thermal Profile Variations
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* MMS4A50-XM (Standard): Integrated HeatSink (IHS) / Closed Finned Top
-> Engineered for standard air-cooled Quantum-X800 switches
* MMS4A50-XM-RHS: Riding Heat Sink (RHS) / Flat Top
-> Engineered for liquid-cooled chassis, DGX B300, and internal cages

Power & Environmental
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* Operating Power Consumption: Maximum 26 Watts (Typically lower under normal load)
* Case Operating Temp Range: 0°C to 70°C (Standard Commercial Grade)
* Clock Data Recovery: TX & RX fully retimed integrated DSP
* Error Correction: Inbuilt Link Level Forward Error Correction (FEC)

Protocols & Compliance
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* Primary Fabric Target: InfiniBand XDR (800Gb/s per lane payload paths)
* Alternative Protocol: 1.6T Ethernet Compliant (Adapts to host switch framework)
* Management Interface: CMIS 5.1 / CMIS 5.2 Compliant
* Hardware Standards: OSFP MSA, IEEE 802.3dj, OIF 224G-VSR Compliant
* Environmental Safety: RoHS Compliant, Class 1 Laser Safety Certified