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How to check if I'm having AcBel or Delta power supply ?

S

Spacedust

macrumors 65816
Original poster
May 24, 2009
1,005
160
I know that Delta power supplies make a click sound when electricity cable is connected. My old Mac Pro 2008 does that, the new one doesn't. Does it mean I got AcBel power supply ?
 
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