Dell XPS 15's and Precisions 55xx's allow this trick.
You can buy them from the manufacturer with no discrete graphics cards.
I have one with a card which is physically turned off for the same trick.
You can buy them from the manufacturer with no discrete graphics cards.
I have one with a card which is physically turned off for the same trick.
If you go to dell.com and select one of the more entry level varients you can customise more things: