I have this board in combination with an i-2500K and use the onboard graphics. Unfortunately, I have daily blue screens, and since I'm not the only one. See eg here ([...] which occurs in all the exact same error. ASRock also know of this problem but it does not seem to get a grip and a replacement was not agreed. Should you wish so use the internal GPU Think about whether you want to take good this board and informs you precisely in advance. The problem occurs probably also in the GEN3. To put things, if you put the VCORE in UEFI FIXED what in the long run, however, not the best solution. In addition, USB3 is not yet fully functional because ASRock here sets which also caused massive problems on the Etron chipset. To study the drivers are used V1.101 and not available at ASRock v0.96 or 1,104 / 1,105.
Otherwise, I am very satisfied with the functionality of the board and also the setting of UEFI, will now, however, if there is no solution to the problem in the next few days trying to replace the board.