Software to display system hardware running

I am running Windows 7 Professional SP1. For purposes of deciding what size battery backup to purchase is there a "safe" freebie software program that can scan my computer and tell me what size power supply, cpu, etc. I have on board.

OR is there someway to already tell this within Win 7?

I need to try and calculate the total wattage and VA consumption on my computer to make the correct choice of battery back up.

Thanks for any input.

 

The best bet, would be to list what is in your computer. I personally run an APC xs 1500 to power my setup.

 

This online tool is used to calculate minimum power supply size for computer builds and upgrades.
You can use it to get a starting point.

eXtreme Power Supply Calculator Lite

Speccy

 

mjnc and theefool,

Thanks for both of your replies. I did go to a backups manufacturer and use their process for calculation.

Dekade