I suspected that DPI is 1.2 support (due to the chipset) and it's true. I can now work with my UHD display at full resolution without jerking. Games I have not, I can say nothing. At the same time I still use a VGA screen. The will be included adapter DVI - driven> VGA and it runs as extended display. The map realized namely VGA via adapter; it has 3 terminals: DPI, HDMI and DVI. Fan is very quiet in the described application.