110v~220v mean

[bruny]

what functino does the red switch on a power supply perform?Why is this IMPORTANT

WHAT IS THE MAIN DIFFERENCE BETWEEN FULL,MID-,AND MINI-TOWER CASES WITH DIAGRAMS

 

[Elwenil]

Different countries use different voltage supplies. For example, in the US, you would use the 120v position, in most of Europe, I believe you would need the 220v position.

 

[FinneousPJ]

Actually the PSUs with these switches are quite outdated. Don't buy one.