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Voltarum Local LLM Hardware Guide
ES

NVIDIA DGX Spark and GB10 systems for local LLMs

Why choose this family
128 GB with the full CUDA stack in a tiny box.
The catch
Same bandwidth class as Strix Halo for a higher price; Arm CPU.
In this familyMemoryBandwidthLargest popular model at 4-bitPrice
DGX Spark / GB10128 GB273 GB/sQwen3.5 122B A10B$5,000

DGX Spark / GB10

NVIDIA GB10 Grace Blackwell (DGX Spark and partners)

Memory
128 GB
Bandwidth
273 GB/s

Largest popular model at 4-bit: Qwen3.5 122B A10B

128 GB with CUDA in a tiny box: the NVIDIA answer to Strix Halo and the Mac.

from $5,000 (typical price)Recommended