NVIDIA Details 64GB DGX Spark Desktop for Local AI

NVIDIA’s $4,999 64GB DGX Spark goes on sale October 23, 2026, from major PC makers, with optional two-system clustering.

NVIDIA said a 64GB DGX Spark will be sold by Acer, ASUS, Dell, Gigabyte, HP, and MSI starting October 23, 2026, at $4,999; MarkTechPost also lists sales through NVIDIA and OEM partners and says the existing 128GB Spark remains available. The system keeps the GB10 Grace Blackwell Superchip—a Blackwell GPU with a 20-core Grace Arm CPU—along with DGX OS, ConnectX-7 networking described as 200GbE, and NVIDIA’s AI software stack, including PyTorch and Ollama. MarkTechPost specifies up to 1 petaFLOP of sparse FP4 compute and 64GB of coherent LPDDR5x at 273 GB/s shared over NVLink-C2C, with two clustered units reaching up to 2 PFLOPS and 128GB of memory. Sources disagree on model scale: NVIDIA’s blog says about 100 billion parameters on one system and up to 200 billion when two units are pooled via Sync Cluster Assistant, while MarkTechPost says it targets roughly 30–35B-class open models. NVIDIA reported up to 1.7x performance versus one system on a Qwen 3.8 27B test; its blog also cites Agent Toolkit, CUDA-X, Nemotron models, and vLLM, while MarkTechPost mentions Jupyter.

• 64GB DGX Spark starts at $4,999 from Acer, ASUS, Dell, Gigabyte, HP, and MSI on October 23, 2026.
• It uses the GB10 Grace Blackwell Superchip, a Blackwell GPU paired with a 20-core Grace Arm CPU, plus DGX OS and ConnectX-7 networking.
• MarkTechPost lists up to 1 petaFLOP of sparse FP4 compute, 64GB coherent LPDDR5x at 273 GB/s over NVLink-C2C, and ConnectX-7 200GbE.
• Two units can cluster to 128GB; NVIDIA’s blog says up to 200 billion parameters and up to 1.7x versus one system on a Qwen 3.8 27B test, while MarkTechPost says up to 2 PFLOPS.
• On-device model claims differ: about 100 billion parameters in NVIDIA’s blog versus roughly 30–35B-class open models in MarkTechPost.
• Software cited includes DGX OS, PyTorch, and Ollama; NVIDIA’s blog also names Agent Toolkit, CUDA-X, Nemotron models, and vLLM.
• MarkTechPost says the existing 128GB Spark remains available and that sales are through NVIDIA and OEM partners.