<p><a href="https://www.mouser.com/datasheet/2/986/Boundary_Nitrogen6X-3193544.pdf" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">mouser.com/datasheet/2/986/Bou</span><span class="invisible">ndary_Nitrogen6X-3193544.pdf</span></a></p><p>fun things in the datasheet: You can get PCIe over 10 pins (3 of which are grounds!). That's pretty low pin count! </p><p>Also: one of the connectors is for "Android buttons". On/Back/Home/Menu/Volume Up/Down. This is just a chip off a phone, but they put it in an SBC formfactor.</p>