Reef Optics 40GBase-LX4 QSFP+ Transceiver — NVIDIA Mellanox QSFP-LX4-40G Compatible

Upgrade your 40G network with this high-performance QSFP+ optical transceiver module, fully compatible with NVIDIA Mellanox switches, routers, and NICs. Designed as a cost-effective, drop-in replacement for the genuine Mellanox QSFP-LX4-40G, this module delivers reliable 40GbE connectivity for data centers, enterprise core networks, and high-performance computing environments.

Key Specifications

• Data Rate: 40Gbps (4x 10.3125Gbps CWDM channels)
• Wavelength: 1271nm, 1291nm, 1311nm, 1331nm (CWDM)
• Fiber Type: MMF (OM3/OM4) up to 150m | SMF (OS2) up to 2km
• Connector: Duplex LC
• Form Factor: QSFP+ (hot-swappable)
• DOM/DDM: Digital Diagnostic Monitoring supported
• Standards: IEEE 802.3ba 40GBASE-LX4, QSFP+ MSA, XLPPI compliant
• Compatibility: NVIDIA/Mellanox (also cross-compatible with MC2210511-LX4)

Why Choose Reef Optics?

• Industry-leading 10-year warranty on all Reef Optics transceivers
• Free shipping on orders over $300
• 100% tested for compatibility and performance before shipping
• MSA-compliant — will not void your equipment warranty

Ideal for 40G Ethernet uplinks, data center interconnects, campus backbone links, and anywhere you need flexible multimode and single-mode fiber support from a single transceiver module.

Condition

Certified Refurbished

Warranty

10-Year Reef Telecom Warranty

Manufacturer Part Number

MC2210511-LX4-RT

Reef SKU

MC2210511-LX4-RT

Brand

Reef Optics

Free ground shipping on orders over $300 (contiguous US). Same-day dispatch on orders placed before 4 PM EST.

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