NVIDIA MMS1V90-WR 400GBASE-LR4 QSFP-DD Optical Transceiver Module

NVIDIA (Mellanox) MMS1V90-WR is a high-performance 400GBASE-LR4 QSFP-DD optical transceiver module designed for high-density networking, Data Center Interconnects (DCI), and AI cluster backbone infrastructures.

NVIDIA MMS1V90-WR Optical Transceiver Specifications:

* Form Factor: QSFP-DD (Quad Small Form-factor Pluggable Double Density)

* Max Aggregate Rate: 425 Gbps (4x 106.25 Gbps channels)

* Modulation Scheme: PAM4 (Pulse Amplitude Modulation 4-level)

* Standard compliance: 400GBASE-LR4, IEEE 802.3bs, 400GAUI-8

* Optical Wavelengths: CWDM Grid: 1271nm, 1291nm, 1311nm, 1331nm

* Media Type: Single-Mode Fiber (SMF)

* Maximum Reach: Up to 10 kilometers (km)

* Optical Connector: Duplex LC / UPC

* Laser Component: CWDM EML Transmitter

* Photodiode Component: PIN Receiver

* TX Optical Power: -3.3 dBm to +3.5 dBm

* Max Power Consumption: 10 Watts to 12 Watts

* 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)

* Error Correction: Requires Host-Side Forward Error Correction (Host FEC)

* Validated for NVIDIA Spectrum switch fabrics and AI clusters.

* Implements Duplex LC for 400G long-haul paths over single fiber runs.