There's been a significant fault found with these - a capacitor the wrong way around - which can cause fire. Stay away from them for the moment.
https://youtu.be/58a2VLXZd6A
That was one production line from what Jayztwocents says, and asus already issed a recall, so doubt if you ordered one now you'd get a defective board as suppliers really should have taken the bad ones off the shelves by now, seeing as the batch numbers have been released...easy to spot though now everybody knows about it