... sound channelLAN: Onboard with 1000M LAN,Storage Interface: 1*IDE, 1*MINI IDE, 2*SATA300Mb/s,Expansion slot: 1*PCI, 1*MINI ... 170*170MM(on board) 1*MINI PCI-E, 1*MINI IDE, 1*CF card DIMM, 4*COM (On board) Intel Atom CPU ... powerMemory: DDR2 400/533MHz 200PIN SODIMM ; it can be up to 2GBRAM2G RAMwifioption (add US$15)GPSoption(add US$60)Hard ... SSD or 32G SSD(add US$30),Accessories1pcs Power supply adapter