12v supplies on pc what are they used for

[old age newbie]

If I have a 95 W CPU and 2 X 75 W GPU on a 48 amp 12 v line what else uses that 12 line on the motherboard

 

[jay_nar2012]

Hard drives, DVD drives, GPUs, CPU, fans.

 

[BarryBruce]

bumb ubm!

 

[old age newbie]

Best answer selected by old age newbie.