Wellm, Chris did say that just in case. Anyway, to repeat what he said, you need a "full-sized" mini-PCIe card.
https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-mini-pcie , NOT https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-half-height-mini-pcie-card
