Can I Upgrade?

[Thradia]

Hi there,

I'm not very knowledgeable about hardware, so I thought it would be safer to ask here

My boyfriend just bought an computer and I was wondering if I can upgrade the video card in it. It's running an AMD Phenom 8450 Triple Core right now with a Geforce 9100.

I was looking at maybe upgrading the video to an ATI Radeon HD4670 or something similar, but I'm not sure how to tell what is compatible and what isn't.

Thanks in advance for any help.

 

[jaguarskx]

What is the make and model of the PC?

I would also be helpful if you can tell us the power supply's specs and if it is one of those slim case computers.