Jetson/mini-PCIe

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mini-PCIe is a smaller version of the traditional PCIe desktop standard for add-on cards. mini-PCIe has been used in most laptops for Wifi as well as Bluetooth or SSD.

There are 2 types of mini-PCIe: full-height (30x50.95mm) and half-height (30x26.8mm). They both have the same electrical connection but different lengths stick out when plugged into the socket. Note that half-height mini-PCIe looks almost identical to mSATA and thus it is common to confuse mSATA SSD cards with mini-PCIe SSD cards. Sometimes they are actually compatible but not always.

Half-height mini-PCIe add-on cards (directly usable)

Jetson TK1 has the mounting holes for a half-height slot, so the following cards can be used directly:

Full-height mini-PCIe add-on cards (indirectly usable)

Jetson TK1 has the mounting holes for a half-height slot, so a full-height card can be used but it will stick out a lot and not be physically mounted firmly, unless if you use a full-height to half-height mini-PCIe adapter board, an extension cable/board, or an extension bracket.