InfiniBand NDR Optics Guide

Practical guidance for 400G and 800G NDR InfiniBand: which OSFP module goes in the server and which goes in the switch, the MPO-12/APC fiber NDR optics need, compatible vs. OEM part numbers, current pricing and lead times, and how to diagnose a link that won't come up.

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1The basicsWhat Is NDR InfiniBand Actually Used For? ConnectX-7, Quantum-2, and Real AI Cluster Fabrics Explained NDR InfiniBand, carried by MMA4Z00-NS400 and MMA4Z00-NS optics, is the scale-out fabric behind NVIDIA's own DGX H100/H200 SuperPOD reference architecture. Here's the real problem it solves, who buys... Read the guide → 2Server vs. switchFlat-Top or Finned-Top OSFP? How to Tell Which Module Your ConnectX-7 Actually Needs The flat-top module goes in the NIC, the finned-top goes in the switch. Here's the rule, the NVIDIA and Mellanox part numbers, and the third variant almost nobody... Read the guide → 3CompatibilityDoes the MMA4Z00-NS400 Work With My System? ConnectX-7, BlueField-3, Quantum-2 and DGX H100 Compatibility The MMA4Z00-NS400 is the NIC-side module, not the switch-side module. Which ConnectX-7, ConnectX-8 and BlueField-3 ports take it, why it does not go in a Quantum-2 switch or... Read the guide → 4FiberMPO-12/APC vs UPC: Why Your Existing Fiber Won't Work With NDR Optics NDR 400G and 800G optics require MPO-12/APC fiber. The MPO-12/UPC patch cords in your 100G or 200G fabric cannot mate with them. Endface, pinning, why APC mates key-up... Read the guide →

NDR optics, cables & fiber

Compatible NDR transceivers, OSFP DAC and breakout cables, and the APC fiber that goes with them.

NVIDIA MMA4Z00-NS400 / 980-9I51S-00NS00 Compatible 400G OSFP SR4 Flat-Top (RHS) Transceiver — MPO-12/APC, 850nm MMF, for ConnectX-7 NVIDIA MMA4Z00-NS400 / 980-9I51S-00NS00 Compatible 400G OSFP SR4 Flat-Top (RHS) Transce... $579.00In stock NVIDIA MMA4Z00-NS Compatible 800G OSFP SR8 Finned-Top (IHS) Twin-Port Transceiver — Dual MPO-12/APC, for Quantum-2 QM9700/QM9790 NVIDIA MMA4Z00-NS Compatible 800G OSFP SR8 Finned-Top (IHS) Twin-Port Transceiver — Dua... $829.00In stock NVIDIA MMS4X00-NS400 Compatible 400G OSFP DR4 Flat-Top (RHS) Transceiver — MPO-12/APC SMF, 1310nm, 500m, for ConnectX-7 NVIDIA MMS4X00-NS400 Compatible 400G OSFP DR4 Flat-Top (RHS) Transceiver — MPO-12/APC S... $809.00In stock NVIDIA MMS4X00-NM Compatible 800G OSFP 2×DR4 Twin-Port Transceiver — Dual MPO-12/APC SMF, 1310nm, 500m — Finned-Top or Flat-Top NVIDIA MMS4X00-NM Compatible 800G OSFP 2×DR4 Twin-Port Transceiver — Dual MPO-12/APC SM... $999.00In stock NVIDIA MMA1Z00-NS400 Compatible 400G QSFP112 SR4 Transceiver — MPO-12/APC, 850nm MMF, for BlueField-3 and ConnectX-7 QSFP112 NVIDIA MMA1Z00-NS400 Compatible 400G QSFP112 SR4 Transceiver — MPO-12/APC, 850nm MMF, f... $549.00In stock MPO-12/APC OM4 Multimode Trunk Cable, Type B, Female-to-Female — for NVIDIA NDR 400G/800G Optics MPO-12/APC OM4 Multimode Trunk Cable, Type B, Female-to-Female — for NVIDIA NDR 400G/80... $59.00In stock NVIDIA MFP7E10-N005 5M Passive Multimode Fiber Cable — MPO-12/APC to MPO-12/APC NVIDIA MFP7E10-N005 5M Passive Multimode Fiber Cable — MPO-12/APC to MPO-12/APC $44.95In stock 400G passive DAC cable MCP4Y10-N002 800G Twin-Port OSFP Passive DAC Cable, 2m, Finned Top – Quantum-2 Switch-t... $243.99In stock MCP7Y00-N002 NVIDIA/Mellanox Compatible 800Gb/s OSFP to 2x400Gb/s OSFP Passive Breakout DAC Cable - 2m MCP7Y00-N002 NVIDIA/Mellanox Compatible 800Gb/s OSFP to 2x400Gb/s OSFP Passive Breakout... $298.45In stock MCP7Y50-N001 800G OSFP to 4x200G OSFP passive breakout DAC cable, 1m MCP7Y50-N001 Compatible 800G OSFP to 4x200G OSFP Breakout DAC Cable - 1M | NVIDIA / Mel... $384.00In stock MFA7U10-H003 NVIDIA/Mellanox Compatible 400G OSFP to 2x200G QSFP56 Active Optical Breakout Cable - 3m MFA7U10-H003 NVIDIA/Mellanox Compatible 400G OSFP to 2x200G QSFP56 Active Optical Break... $1,345.45In stock

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