NVIDIA AI box · announced · data 2026-10-15

DGX Spark 64GB (partner GB10 systems) for local AI.

With 64 GB it runs Qwen3.8 27B (needs 22.7 GB). 77 models fit.

Memory64 GB

Shared between CPU and graphics.

Bandwidth273 GB/s

Higher means faster answers.

PriceFrom about $4,999

As of 2026-10-15. Check before buying.

Which models fit

By memory option.

Usable: 75% on Macs and shared-memory PCs, VRAM minus 1 GB on graphics cards (estimates).
Memory	Usable	Models that fit	Best three
64 GB	48 GB	77	Qwen3.8 27B (22.7 GB), K2 Horizon MoVA 36B-A4B (28.1 GB), Qwen3.5 27B (21.5 GB)

Speed

Published speeds.

Measured by others, with sources. Not our tests.

No published speed found yet.

Questions

Short answers.

What is the best local LLM for the DGX Spark 64GB (partner GB10 systems)?: With 64 GB, Qwen3.8 27B (needs 22.7 GB, AA 33.7). 77 of 124 models fit.
How much does the DGX Spark 64GB (partner GB10 systems) cost?: From about $4,999 (as of 2026-10-15). 2026 prices are inflated by the memory-chip shortage; check before buying.

Specs from The Register – $4,999 DGX Spark 64GB; 128GB now $6,950 (2 Oct 2026) (2026-10-02). Prices are approximate and dated; 2026 prices are inflated by the memory-chip shortage.

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# DGX Spark 64GB (partner GB10 systems) for local AI

URL: https://insidethemachine.ai/machines/dgx-spark-64gb
Type: NVIDIA AI box. Chip: GB10 Grace Blackwell. Memory: unified, options 64 GB. Bandwidth: 273 GB/s. Spec source: https://www.theregister.com/systems/2026/10/02/nvidia-debuts-4999-dgx-spark-with-half-the-ram-and-storage-amid-memory-crunch/5300622 (2026-10-02).
Price: from about $4,999 (2026-10-15, approximate). Status: announced.

## Which models fit

| memory GB | usable GB | models that fit | best 3 |
|---|---|---|---|
| 64 | 48 | 77 | Qwen3.8 27B (22.7 GB), K2 Horizon MoVA 36B-A4B (28.1 GB), Qwen3.5 27B (21.5 GB) |

## Published speeds

None found yet.

Notes: Bandwidth unchanged at 273 GB/s per The Register. Not on sale until 2026-10-23. NVIDIA says one box runs models up to 100B parameters; two boxes joined by a QSFP cable pool 128GB and run up to 200B (NVIDIA blog, 2026-10-02). Same GB10 chip and software as the 128GB model.

## Questions

**What is the best local LLM for the DGX Spark 64GB (partner GB10 systems)?**
With 64 GB, Qwen3.8 27B (needs 22.7 GB, AA 33.7). 77 of 124 models fit.

**How much does the DGX Spark 64GB (partner GB10 systems) cost?**
From about $4,999 (as of 2026-10-15). 2026 prices are inflated by the memory-chip shortage; check before buying.