NVIDIA Mellanox MMA4Z00-NS 800G OSFP SR8 Multimode Transceiver

Save significantly on the NVIDIA Mellanox MMA4Z00-NS — an InfiniBand and Ethernet 800Gb/s twin-port OSFP transceiver delivering 2x400Gb/s over multimode fiber. Backed by Reef Telecom's industry-leading 10-year warranty on refurbished equipment, this transceiver is fully tested and ready to deploy in your AI, HPC, or data center fabric.

Key Specifications

• Part Number: MMA4Z00-NS
• Data Rate: 800Gb/s (2x400Gb/s Twin-port)
• Form Factor: OSFP (Finned Top)
• Modulation: 8-channel 100G-PAM4 (SR8)
• Wavelength: 850nm VCSEL
• Max Reach: 30m (OM3) / 50m (OM4)
• Connectors: Dual MPO-12/APC
• Power: 17W max, 2.0W low-power sleep mode
• Protocols: InfiniBand NDR & Ethernet (auto-detected)
• Temperature: 0°C to +70°C
• Compliance: OSFP MSA, CMIS 4.0, RoHS

Platform Compatibility

Designed for NVIDIA Quantum-2 and Spectrum-4 switches, enabling up to 64 ports of 400Gb/s per 32-OSFP cage switch. Also compatible with DGX H100 systems (flat-top variant), ConnectX-7 adapters, and BlueField-3 DPUs. Ideal for AI training clusters, HPC interconnects, and high-density data center spine-leaf architectures.

Free shipping on orders over $300. Need help specifying the right optic? Contact our team for expert guidance.

Condition

Certified Refurbished

Warranty

10-Year Reef Telecom Warranty

Manufacturer Part Number

MMA4Z00-NS

Reef SKU

MMA4Z00-NS

Brand

NVIDIA

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.