eMMC 5.1 Drive soldered on-board, up to 32GB 1x S-ATA interface available on M.2 Socket 2 Key B Slot (interface shared with PCI-e x1) microSD Card Slot 4MB QuadSPl Flash NAND (boot device only )
Networking
2x Gigabit Ethernet interfaces Combo WiFi 802.11 a/b/g/n/ac + BT LE 4.2 module with ceramic SMT antennas on-board M.2 Socket 2 Key B Slot for M.2 Modems M.2 Socket 1 Key E Slot for WiFi + BT external modules
USB
1x USB 3.0 Host port on Type-A socket 1x USB 2.0 OTG port on micro-AB socket 1x USB 2.0 Host port on external Type-A socket 1x USB 2.0 Host port on internal connector 2x USB 2.0 ports available on M.2 Key B and Key E slots
PCI-e
2x PCI-e xl ports, available on M.2 Socket 1 Key E and on M.2 Socket 2 Key B (pin shared with SATA interface) Slots
Audio
I2S Audio Codec Mic In and Line Out interfaces, available on a single combo TRRS connector