Me said:In order to run a video card, you need to have the proper power in your computer. You are not going to make it to the next-gen of gaming with a crappy generic power supply. What I suggest you purchase and own for a power supply would be of a known company (Thermaltake, and Antec to name a few). The most important thing that we need to knwo about the power supply is the rating of watts and the amperage on the "+12V. Rail". Note that some power supplies have more than one rail, and the total amperage on each is added together for the final total (ex. 18A + 18A = 36A). For 80-90% of computers (ATX) the power supply is on the top of the computer, and for the rest it is on the bottom (both are located in the back of the computer and look like a box).