I bought this motherboard with the KAveri apu and 2x4gb of 2133 and well it either had a part defective or something with the combination went wrong. I'm asking this because i'm about to return everything and i don't know if when i get them replaced they will give me the same problem because maybe it wasnt a defective part but just (as i said) Bad combination. The problem i was having is bluescreens while installing everything. If anyone can help me ill be thankfull.