Will this grapich card run on my pc? http://www.komplett.no/k/ki.aspx?sku=777633#extra. does it fit my motherboard and will it run?. got a 460 w psu with one 6pin connector. this is my pc http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02688298&lang=en&cc=us&taskId=101&contentType=SupportFAQ&prodSeriesId=5035344