Power supplies don't have a speed rating.
If it is a computer power supply it is the box that gives the computer its power from the outlet.
The "power supply" supplies power to a computer. A computer's power supply is a "switchmode power supply" responsible for converting the AC voltage from the wall into several DC output voltages.
You can turn down the speed of your power supply fan on the back of your computer. Or maybe you should upgrade your fans.
Power supplies don't have a speed rating.
When your computer will not power on. When the cooling fan of the power supply has failed. When the amount of hardware in use in your case exceeds the power capability of your power supply.
The power supply makes the computer run, without any type of power supply it would be impossible to run a computer. The mains power supply for a laptop and the power supply unit of a desk top, both convert the high AC voltage from the mains power and convert it to low voltage DC, for the electronics of a computer to use.
There will be no effect on the computer speed if a CRT monitor's power cable is directly connected to the CPU. Though the PSU, or, the power supply unit must be upgraded to a 500 W one .
In order to supply power supply to your computer you would need an outlet plug near your computer. Then you can plug your computer into that and necessarily, use an extension.
computer
SMPS(switch mode power supply)
To power all the components of a computer.
The PC power supply box's function is to supply the computer with power. Without the PC power supply box, the computer would not be able to turn on and off.