I just purchased a HP Pavilion P6000, which only comes with a 250w power supply. I would like to upgrade this so I can upgrade my graphics card to an Nvidia GeForce 9400, but I don't know what would be compatible. Any help would be greatly appreciated
GT240 or the 5570 is the minimum card you'll want for gaming. I have no idea whats in the P6000 so I have no idea what to suggest. Dual core, 4GBs ram (3GB is also ok.) and a PCIe slot is what you want.