Lab 1-10 Total Wattage Used by Your Computer System

Fill in the following chart and then calculate the total wattage requirements of your computer system compared to the rating of your power supply. Include in the chart all devices that draw power from the power supply. Look for a wattage rating printed somewhere on the device.

 

Component

Wattage

Hard Drive

 

CD ROM

 

Floppy Drive

 

AGP Video Card

 

CPU

 

RAM

 

Motherboard

 

PCI Cards (multiply it by how many cards you have in your system)

 

Total Wattage

 

 

 

Total wattage requirements: __________________

 

Wattage rating of the power supply: ______________

 

This power supply is running at percent of full capacity. _____________

 

Why should you check this before you purchase your power supply?