Editing a copy of DGX Spark 128GB

Choose parts or a complete machine. Compatibility, the total and what it runs update as you go, and nothing is saved until you share it.

A complete machine needs no part checks.

Best fit:DeepSeek V4 FlashUD-Q2_K_XLat 32k, 11 tok/sest.

ComponentSelectionPriceWhereActions
MachineNVIDIA DGX Spark 128GB

128 GB unified · 273 GB/s

$8,650Buy
Total$8,650Prices checked 2 h ago

What this build runs

The most precise quant that fits, for every model in the catalogue. Estimates, not measurements.

ModelQuantFitsMemoryMax contextDecode @32kPrefillGood for
DeepSeek V4 Flash

DeepSeek

UD-Q2_K_XLfits93.8 GB312k557k with q8 cache

11tok/sest.

210 tok/s–
GLM 5.3 Flash

Z.ai

UD-Q2_K_XLfits102.6 GB1018k1024k with q8 cache

11tok/sest.

282 tok/s–
Qwen 3.8 Flash Next

Alibaba Qwen

Q4_K_Mfits113.1 GB232k256k with q8 cache

2tok/sest.

218 tok/s–
MiniMax M2.7

MiniMax

UD-Q3_K_Mfits102.9 GB96k178k with q8 cache

8tok/sest.

593 tok/s–
Qwen 3.8 27B

Alibaba Qwen

Q8_0fits30.1 GB256k

5tok/sest.

450 tok/s–
Qwen 3.5 122B-A10B

Alibaba Qwen

Q6_Kfits95.9 GB256k

11tok/sest.

1055 tok/s–
Qwen 3.6 27B

Alibaba Qwen

Q8_0fits29.7 GB256k

6tok/sest.

450 tok/s–
gpt-oss 120B

OpenAI

MXFP4fits61.1 GB128k

23tok/sest.

1704 tok/schat, coding
Qwen3 Coder Next

Alibaba Qwen

Q8_0fits80.7 GB256k

20tok/sest.

2543 tok/schat, coding
Nemotron 3 Super 120B-A12B

NVIDIA

UD-Q6_Kfits108.2 GB256k

9tok/sest.

1067 tok/s–

$8,650

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