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Optimizing DGX Spark + RTX 4500 Pro with Qwen - slow TPS

This story is from 2026-08-22. It is preserved in the archive; the latest stories are on the live feed.

I've got a DGX Spark and an RTX Pro 4500 in a whitebox AMD EPYC build (supermicro H11SSLi running proxmox, RTX Pro 4500 passed through to a docker host and shared between plex/frigate/llamacpp etc). ~6GB is actively consumed by non-LLM processes (frigate mostly) leaving 26GB of headroom. I'm workin…

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  1. 2026-08-22 12:37 · r/LocalLLM
    Optimizing DGX Spark + RTX 4500 Pro with Qwen - slow TPS

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