LM Studio downloads GGUF models (3–70 GB each) and lets you pick the directory — but the default sneaks onto your system drive.
In the app: My Models → the path is shown at top. Typical defaults:
| OS | Default |
|---|---|
| Linux | ~/.cache/lm-studio/models |
| macOS | ~/.lmstudio/models (or as configured) |
| Windows | %USERPROFILE%\.lmstudio\models (or as configured) |
*.gguf.part files = interrupted downloads, always safe to remove.Settings → Models Directory → change to an external SSD, then move existing folders over.