ssnewton

I currently have 2GB DDR2 ram 2X1GB sticks, If Iwant 4 GBcan I just buy two more 1GB sticks and add them, I have four ram slots. Also Does the ram have to be from the same manufacturer for it to work? thank you my system amd X2 5000+, 2GB ddr2 ram, asus nforce 560 sli chipset, geforce 8800gts 640 mb, 600 watt power, vista home basic 32 bit

Hi guys I currently have a amd athlon X2 5000+, 2 GB of Ram, asus nforce 560 sli motherboard, 1 geforce 8800 gts 640 mb (evga brand), with vista home basic 32bit I want to add a second videocard, can I just get any 8800gts 640mb, or does the brand name (foxconn, BFG tech, Evga, etc.) and the card have to be exactly the same, as well as the cards mb, for it to work.