NVIDIA Mellanox MMA2L20-AR Compatible 25GBASE-LR SFP28 Optical Transceiver

Save up to 80% over OEM pricing with this Reef Optics 25G SFP28 LR transceiver, fully compatible with NVIDIA/Mellanox networking equipment. Engineered as a drop-in replacement for the Mellanox MMA2L20-AR, this module delivers reliable 25 Gigabit Ethernet connectivity for data centers, campus networks, and high-performance computing environments.

Key Specifications

• Data Rate: 25Gbps (25GBASE-LR)
• Wavelength: 1310nm DFB laser transmitter
• Max Distance: 10km over single-mode fiber (SMF, G.652)
• Connector: Duplex LC/UPC
• Form Factor: SFP28 MSA compliant, hot-pluggable
• Standards: IEEE 802.3cc, SFF-8472, SFF-8402, SFF-8432
• DDM/DOM: Digital Diagnostic Monitoring supported
• Power: Single +3.3V supply, max 1.0W consumption
• Temperature: 0°C to 70°C commercial operating range
• Receiver: 25Gb/s PIN photodiode

Why Choose Reef Optics?

• 🛡️ 10-Year Warranty — Industry-leading coverage vs. Mellanox's 1-year warranty
• 🚚 Free Shipping on orders over $300
• ✅ 100% tested for compatibility with NVIDIA/Mellanox switches, NICs, and routers
• 📦 Hot-swappable — plug-and-play installation with no downtime

Compatibility & Use Cases

This transceiver is ideal for 25GbE spine-leaf architectures, data center interconnects, campus backbone links, metro network deployments, and 5G fronthaul CPRI/eCPRI applications. Compatible with NVIDIA Mellanox ConnectX NICs, Spectrum switches (SN2000/SN3000/SN4000 series), and other platforms that support the MMA2L20-AR.

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.