The NVIDIA DGX Spark is a compact AI development computer — sold through partners like PNY — built to bring data-centre-class AI capability to a desk. It's powered by NVIDIA's Grace Blackwell superchip design: a Blackwell-architecture GPU alongside a 20-core Arm CPU (10 Cortex-X925 performance cores plus 10 Cortex-A725 efficiency cores), with 128GB of unified LPDDR5x memory shared between CPU and GPU rather than separate pools — important because large AI models are often memory-capacity-bound, so unified memory lets a bigger model fit and run locally than a typical discrete-GPU workstation could manage. It's aimed at AI researchers, developers, and data scientists prototyping and fine-tuning large language and generative AI models locally before deploying to full data-centre infrastructure.