which ram should I buy for my computer ?

[saleeho]

Hello everyone ,,,

My computer is hp elite 7300MT

It's loaded with one 4gb ddr3 1333 mhz ram and have 3 empty DIMM slots

I don't know which ram is compaitable with the motherboard ( because I don't know what is the name of it :(

and what is the best brand to buy from

Here is the link to my computer from hp

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c02842710#A0

Thanks.