i am thinking about getting a NVIDIA GEFORCE 9400GT and i have this pc
http://www.bestbuy.com/site/Asus+-+Essentio+Desktop+/+AMD+Athlon%26%23153%3B+II+X2+Processor+/+4GB+Memory+/+1TB+Hard+Drive/2634111.p?id=1218341067971&skuId=2634111 and i was wanting to know what power supply i am gonna need for it
http://www.bestbuy.com/site/Asus+-+Essentio+Desktop+/+AMD+Athlon%26%23153%3B+II+X2+Processor+/+4GB+Memory+/+1TB+Hard+Drive/2634111.p?id=1218341067971&skuId=2634111 and i was wanting to know what power supply i am gonna need for it