RAM
1 x SO-DIMM DDR3L Slot Support 2GB/4GB/8GB, DDR3L-1333
MSATA
1 x M-SATA3.0 slot for MSATA SSD, support 6Gb/s
USB Port
2 x USB3.0, 6 x USB2.0(2xUSB2.0 inside)
COM Port
6 x DB9 COM, COM1~4 can change to RS232/422/485 from BIOS
SIM
1 x embedded SIM card slot onboard
Display port
1 x HD-MI;1xVGA;1 x GPIO;1 x LPT
SATA
1 x SATA3.0 slot for SATA HDD or SSD, support 6Gb/s