How to get sutable VGA and Ram for my PC?

I want connect additional 1GB Ram and also new VGA for my "Intel® Desktop Board DG31PR" mother board (now i have Intel on-board VGA),How do i select suitable VGA and RAM for my PC. What should i check before buying these items. What are the good online selling shops for these items?

these are my PC RAM and VGA details.
My Ram


My VGA


My motherboard details.

For ram, look here.

For the graphics card, any card will do. If you're unsure what card to get, have a look here.

Thanks for your quick reply.
DRAM Frequency and Module Speed (Mhz) are same? I mean both terms meaning is same?

killer bee said:

Thanks for your quick reply.
DRAM Frequency and Module Speed (Mhz) are same? I mean both terms meaning is same?

I'm abit noob when it comes to this type of questions. Sorry, idk.

killer bee said:

Thanks for your quick reply.
DRAM Frequency and Module Speed (Mhz) are same? I mean both terms meaning is same?

Your Board supports DDR2 667Mhz (PC5300)

yowanvista said:

killer bee said:

Thanks for your quick reply.
DRAM Frequency and Module Speed (Mhz) are same? I mean both terms meaning is same?

Your Board supports DDR2 667Mhz (PC5300)

Thanks buddy help!
What is you mean by "DDR2 667Mhz (PC5300)"?
Is it "Max Bandwidth"? If it so, i have to buy " 667Mhz" or lower than Bandwidth DDR2 ram? If I'm wrong please correct me!

killer bee said:

yowanvista said:

killer bee said:

Thanks for your quick reply.
DRAM Frequency and Module Speed (Mhz) are same? I mean both terms meaning is same?

Your Board supports DDR2 667Mhz (PC5300)

Thanks buddy help!
What is you mean by "DDR2 667Mhz (PC5300)"?
Is it "Max Bandwidth"? If it so, i have to buy " 667Mhz" or lower than Bandwidth DDR2 ram? If I'm wrong please correct me!

You should buy a DDR2 667Mhz RAM stick. DDR2 667 is also known as PC2-5300