Does anyone know good suggestions for graphics cards on a 400w psu w/ 6 pin pcie power connector. Am using an i7 3770 w/ 16gb of ddr3 ram. Using hp z220 cmt workstation. Anyone a good graphics for under 175$? Want to play games like overwatch and beamng at high to max settings(Maybe cms 2018 as well) Am using gts 450 w/ 1gb currently. Am getting 12-13 fps on beamng at highest settings, at least want 30 fps+.