DDN A3 I Solutions are proven at-scale to deliver optimal data performance for Artificial Intelligence (AI), Data Analytics and High-Performance Computing (HPC) applications running on GPUs in a DGX A100 system. This document describes fully validated reference architectures for scalable NVIDIA DGX POD™ configurations. The solutions integrate DDN AI400X appliances with NVIDIA DGX A100 systems and NVIDIA® Mellanox® InfiniBand network switches.