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Builds / 2x Nvidia GB10 (unified, DGX Spark)

2x DGX Spark running GLM-5.3 Flash NVFP4

Source: github.com ↗📏 How measured: reported by the original source; RigBase re-checked the numbers at that source
GPU(s)
2x Nvidia GB10 (unified, DGX Spark)
VRAM / unified memory (GB)
256
CPU
Nvidia Grace 20-core (per node)
Amazon · eBay (used) · Newegg
Motherboard
not stated
RAM
128 GB unified per node
PSU
not stated
Other
ConnectX-7 link; vLLM TP2
Reported total cost
not stated
Power
not stated

Measured speed (generation tokens/sec)

ModelQuantEnginetok/sDetails
GLM-5.3 FlashNVFP4vLLM TP2 (RiNGSiDE), single-stream prose33.0📏 Single-stream decode reported by the source
GLM-5.3 FlashNVFP4vLLM TP2 (RiNGSiDE), single-stream code56.5📏 Single-stream decode reported by the source

NVIDIA checkpoint; structured output 83.4 tok/s. vram_gb is aggregate unified memory. Found via localmaxxing (discovery only); numbers re-checked at the original source on 2026-10-24.

Source: https://github.com/othexmr/GLM-5.3-Flash-NVFP4-2x-4x-DGX-Sparks-RiNGSiDE

Blank fields = not stated in the source. We never estimate build data; GPU street prices above are separately sourced and dated.

Rent before you buy: try this model on a cloud GPU for a few dollars first: Runpod (referral link; sign up with Google to get the new-user bonus)

Quick answers: Can 2x DGX Spark (GB10) run GLM-5.3 Flash?