How Hot is Too Hot for the Steam Deck?
The Steam Deck starts to throttle performance as it approaches 100°C (212°F), so aim to keep it under 90°C for prolonged use.
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Over 80°C is pushing it; keep some airflow going.
I've been gaming hard on my Steam Deck, and when it hits around 90°C, I notice the performance dips. Definitely cool it off around then.
In my experience, anything over 85°C is cause for concern. Your games might start to lag or shut down if it gets hotter!
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