6 Gallium

RE: Upgrade Alienware X51 power supply

You are likely just on the edge of capabilities of that tiny case (cooling) and laptop-like power-supply (power... 330w max isn't it?).

If you search forum, you can see example of gamers (with hardware mod skills) moving components to mini-atx case. They also (wisely) can then use a conventional desktop power-supply (in the 650-850w range).

Turning off (during max gaming) is usually running out of power.

Slowing down (during max gaming) is usually overheating of GPU and/or even CPU ... throttling back to save itself.

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