NVIDIA Mellanox MMS1V50-WM Compatible 400GBASE-FR4 QSFP-DD Optical Transceiver

Save up to 80% over OEM pricing with this Reef Optics 400GBASE-FR4 QSFP-DD transceiver — a high-performance, NVIDIA Mellanox MMS1V50-WM compatible module engineered for reliable 400GbE connectivity in data center and enterprise environments. Backed by Reef Telecom's industry-leading 10-year warranty and free shipping on orders over $300.

Key Specifications

• Part Compatibility: NVIDIA Mellanox MMS1V50-WM / QDD-400G-FR4-S
• Data Rate: 400Gbps (8x50Gb/s PAM4 electrical, 4x100Gb/s CWDM optical)
• Form Factor: QSFP-DD (Quad Small Form Factor Pluggable Double Density)
• Wavelength: 1271/1291/1311/1331nm (CWDM4)
• Max Distance: 2km over Single-Mode Fiber (SMF)
• Connector: Duplex LC/UPC
• Digital Diagnostics: DDM/DOM supported
• Standards: IEEE 802.3bs, QSFP-DD MSA, 100G Lambda MSA, 400GAUI-8/CEI-56G-VSR-PAM4
• Operating Temp: 0°C to 70°C (Commercial)
• Power Consumption: <12W

Ideal Use Cases

This 400G QSFP-DD FR4 transceiver is designed for data center interconnect (DCI), 400G Ethernet spine-leaf architectures, InfiniBand interconnects, AI/HPC clusters, and enterprise core networking. It uses four CWDM wavelengths over a single duplex LC fiber pair, maximizing cabling efficiency and reducing infrastructure costs compared to MPO-based DR4 alternatives.

Compatible with NVIDIA Mellanox ConnectX-7 and BlueField DPU platforms, as well as switches from Arista, Cisco, and Juniper that support QSFP-DD 400G FR4 modules. Every Reef Optics transceiver is tested for 100% functionality and guaranteed compatible.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.