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Originally posted by: HayHauler
David hit the nail on the head. Lower temps because the power supplies
don't have to work as hard...

Actually, the difference between the two standards would only account for a couple of 'C temp difference between a 240V and 120V power supply with all things being equal...... the largest output of heat still comes from the processor, hard drives, graphics card, etc., which in all fairness will absolutely eclipse the heat output of most power supplies making their contributed heat output seem negligable.

At the end of the day, a switching power supply (such as a PC supply) will waste a few watts of heat, a processor alone can output more than 50W of heat energy (thats an optimistic number - some processors are worse)......

dmcowen674 is right, the supplies do have it slightly easier over here in the UK, but if you know how a power supply works, the input side of things doesn't have as much influence on the output side of things compared to component quality, and design, etc. - a cheap PSU is still just as bad here as it is in the USA 😉 oh joy.
 
Originally posted by: vss1980
Originally posted by: HayHauler
David hit the nail on the head. Lower temps because the power supplies
don't have to work as hard...

Actually, the difference between the two standards would only account for a couple of 'C temp difference between a 240V and 120V power supply with all things being equal...... the largest output of heat still comes from the processor, hard drives, graphics card, etc., which in all fairness will absolutely eclipse the heat output of most power supplies making their contributed heat output seem negligable.

At the end of the day, a switching power supply (such as a PC supply) will waste a few watts of heat, a processor alone can output more than 50W of heat energy (thats an optimistic number - some processors are worse)......

dmcowen674 is right, the supplies do have it slightly easier over here in the UK, but if you know how a power supply works, the input side of things doesn't have as much influence on the output side of things compared to component quality, and design, etc. - a cheap PSU is still just as bad here as it is in the USA 😉 oh joy.

True enough about the Computers & Monitors themselves contributing to a higher ambient temp for the humans. It's just easier to actually supply power to that mass of Computing & Monitor power with the 220 input.

We actually do have 220 here (For Air Conditioning/Dryer etc) but at 60Hz instead of the 50Hz over there. For switching supplies the frequency difference doesn't matter. I might try an experiment and run some equipment on the 220 setting on the power supplies.

 
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