A graphics card for my PC

[Kiefer]

Please I liked to buy a new graphics card for my pc but how is the compatibility between my pc card thank you in advance.
my configuration :
Pentium 4 2.66Ghz, RAM 256Mb.port AGT enable.

[robodude]

if you have a port agp you take a graphics card with an AGP port and the rest there is nothing spec will be too complicated. As far as I know there is some psu that are not compatible with any the cg but to check that you should give us the name of the motherboard