<p>➀ The NVIDIA DGX Spark is a compact AI mini PC designed for scale-out clustering; </p><p>➁ It features 20 Arm cores, 128GB of LPDDR5X memory, and a Blackwell GPU; </p><p>➂ Priced at $3999, it offers 200GbE NVIDIA ConnectX-7 networking and is compatible with clustering configurations.</p>