|The more devices you add to a computer, then overall the power |
USED is going to increase.
The last page of this ↓↓ will show you about how much power is
used by addon hardware.
How PC Power Supplies Work
On my current power supply, it says that the power should never exceed 300W.
Are you refering to the dead PS ???
If so, then that never exceed 300W means the PS was made to handle up to a max. of 300W.