I went through 5 P8P67 Deluxe RMA boards before Asus finally sent me a new one in a retail box and it's been fine for around 6 years now. The RMA boards had a variety of things wrong with them but I ...
Put it all together and it came up fine! Then decided to fiddle with it (because, why not?). Moved fans around to different pins (AIO, CH-1, CH-2, etc), some cable management to make it look better.