how much watts my power supplie have

[Homie]

Hello How much power supplie does my computer have i want to get this graphics card for it it has one brown agp slot so can i add this power supplie with my computer?

http://www.newegg.com/app/ViewProductDesc.asp?description=14-102-326&depa=0
i bought computer in year 2002
Regards,

Homie

 

[Homie]

can anyone help

 

[GPRT]

To see your power supply wattage open the computer case and look at the power supply unit, there should be a sticker with the wattage and voltages etc.

 

[Homie]

k thanks hope its 300 watts