Leaderboard

Yup, cheap Kepler cards (chipset GKxxx) like nVidia GT710, GT720 or GT730 will do perfectly and work OOB. Make sure you do not go for Fermi-based models of the 600/700 Series. You may look here or here too. And of course, it'll all depend on the budget you're ready to spend.

@chabkhaled1960 Yes, but your wifi is not supported @mtpiplod Copy the files from the USB to the internal drive

Give this a try, replace into /EFI/Clover E5530_Mojave.zip