NVIDIA Announces DGX Spark 64GB: A 1-PetaFLOP Grace Blackwell Desktop for Local AI Agents, Fine-Tuning, and Inference
NVIDIA announced a 64GB DGX Spark desktop with up to 1 petaFLOP FP4 for local agents and fine-tuning.
NVIDIA announced a 64GB DGX Spark desktop, offered through Acer, ASUS, Dell, Gigabyte, HP, and MSI, built on the GB10 Grace Blackwell superchip. It provides up to 1 petaFLOP of sparse FP4 compute, 64GB of coherent LPDDR5x at 273 GB/s, ConnectX-7 200GbE networking, and DGX OS with PyTorch, Jupyter, and Ollama. NVIDIA says it fits today’s 30–35B-class open models, while two systems can cluster for 128GB of memory; the existing 128GB Spark remains available. Availability is listed for October 23, 2026.