-10.2" tablet pc -Intel atom N450 -windows 7/XP/2000 os -1.66GHz ,RAM 1G/250G DDR -support build-in 3G/WIFI ... layout for Support Mini-PCIe SATA SSD cardMini-PCie 23G/3.5G support1 Full size Mini PCI-E V1.2 slot ... , Support 3G/3.5G Once build in 3G,it can't come with ... Board,SATA board,Audio&OTG 10.2" tablet pc intel atom N450,windows 7/XP os,1.66GHz ,1G/250G ,support 3G/WIFI