M1 Ultra Mac Studio gets hot under large local AI work

A with an M1 Ultra chip and 128 gigabytes of memory became noticeably warm during a workload. The room felt warmer after only a few minutes.

Power use reached a maximum of 153 watts while the work was running. When idle, the machine used about 10 watts and stayed cold to the touch.

This experience felt much hotter than running several Mac minis and two MacBook Pros. The main point is that large local AI jobs can turn even an efficient Apple desktop into a real heat source.

Key points

  • A with M1 Ultra and 128 gigabytes of memory was used for .
  • The room became noticeably warmer after a few minutes of AI work.
  • reached up to 153 watts during the workload.
  • At idle, the machine used about 10 watts and felt cold.
  • plans should include airflow, placement, and room checks.
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