Can I Run DeepSeek V4.1 on NVIDIA DGX Spark?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

Written by Jakub Rusinowski · Last updated August 15, 2026

No. DeepSeek V4.1 needs 966.0 GB at Q4 (experimental, datacenter only) and the NVIDIA DGX Spark has only 128 GB. No quantization we publish closes a gap that size.

The numbers

Model	DeepSeek V4.1
Parameters	1.6T (49B active)
Quantization	Q4 (experimental, datacenter only)
VRAM needed	966.0 GB
NVIDIA DGX Spark VRAM	128 GB
Verdict	Does not fit

What to do next

Step down to a smaller size in this family — no single consumer card we track fits this one.

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Running DeepSeek V4.1 on this card:

NVIDIA DGX Spark (128GB)

128 GB VRAM · 150 W board power

2026 prices are volatile — check the current listing.

Check price on Amazon

Other DeepSeek V4.1 sizes on the NVIDIA DGX Spark

DeepSeek V4.1 Flash — runs at a lower quant (171.5 GB)

DeepSeek V4.1 on nearby hardware

NVIDIA RTX PRO 6000 Blackwell (96 GB) — does not fit
Apple M2 Ultra (192 GB) — does not fit

All DeepSeek V4.1 sizes on the NVIDIA DGX Spark | VRAM calculator for DeepSeek V4.1 | NVIDIA DGX Spark GPU page | Check your hardware