Hello i have just bought a dell precision 690 and wanted to upgrade the video card, but i found some information that kind of didnt make any sense. "Support for PCI Express x16 graphics cards up to 150 watts and with up to 512MB graphics". can someone please tell me if this is just outdated info or something just strange. By the way its the 750 watt power supply version not the 1000 watt version. thank you