Do i need graphip card for GA-G31M-S2L Gigabytes mother board?

[max_stuff2003]

guyz do i need graaphip card for GA-G31M-S2L Gigabytes mother board to play 3d games or this mother board supports 3d graphics if yeas please reccomend me the best graphic card which supports this motherboard...........and one more question ,.....do i need sound card to enhance the sound quality,i have creative A-300 2.1 speakers