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Buying a used GPU for LLMs—what checks matter?

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(@pandaadmin)
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Topic starter   [#107]

[Official FAQ] Corrections and follow-up questions welcome.

Used cards save money but risk mislabeled VRAM, abused mining units, shady power mods, and no warranty.

Checklist:

  • Verify model identity and VRAM with seller-allowed tests (nvidia-smi, short stress).
  • Confirm PSU capacity and proper power connectors.
  • Prefer return-friendly marketplaces; stability beats a slightly lower price.

We avoid quoting volatile street prices here. Sweet-spot discussions welcome if kept civil.



   
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