News — NDR

Does 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 a DGX H100 front cage, and the fiber you need with it.

Read more


Is a Third-Party MMA4Z00-NS or MMA4Z00-NS400 Safe? What to Check Before You Buy Compatible NDR Optics

A compatible MMA4Z00-NS400 or MMA4Z00-NS is safe to run on ConnectX-7 and Quantum-2 when it's coded correctly, DOM/DDM tested, and warrantied. Full spec comparison, the NVIDIA/Mellanox part-number transition, and what to verify before you buy.

Read more


What 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 it, and how to size an optics order for it.

Read more