Can anyone hgelp me with graphic card

[ddl2]

i need some help figuring out what graphics card i need for my computer
. it is a dell gx620 desktop pt 4 3.4 ghz 160 gig hd 1 gig ddr2 ram 280 watt power supply. ahy info would be helpful.

thanks

 

[17seconds]

You're going to have to upgrade your power supply for any meaningful upgrade to your video card.