Hmm..hadn't thought about the length. Just got out a ruler and measured, and it appears the mPCIe is 50mm tall, the M.2 spec is 52mm, and because an mPCIe to M.2 adapter is needed, its going to add another 5-10mm, so yea...Unless the adapter is tall (and possibly too tall), no M.2 card will fit in t...