... interface, built-in 2x6W sound amplifier; Optional 2x2W speaker Optional 802.11b/g/n high speed WiFi module ... infomationsModel No.DescriptionsIEC-608D-R208.4" touch panel pc,Intel Atom Dual-Core D525 CPU,2GB DDR3 ... COM, Power adapterIEC-608DL-R208.4" touch panel pc,Intel Atom Dual-Core D525 CPU,2GB DDR3,160GB ... module, Power adapterIEC-608N-R208.4" touch panel pc,Intel Atom N455 CPU,1GB DDR3,160GB SATA HDD ...