Please help me pcie or not ?

[iwearahalo]

Hi there I have been trying for ages to see what my pc actually is ! I know nothing about them at all but want to upgrade my video card as it is a nvidia 7300 gs ,
my motherboard is 945p-m3 by Elitegroup
product nake - dixon
is this pcie ? If so what card woudl you reccomend ? Could i buy the 8800 series 256 mb ?

Many Thanks