15.6 INCH I7 4GB RAM 500GB HDD, DVDRW LAPTOPS,USB 3 ... .11b/g/n Wireless LAN Wireless LANKeyboard standardBattery type 6-cell lithium battery 1,771,828 802.11bgn wireless ... two USB 3.0, USB2.0, VGA, HDMI, the audio input and output, multi-cardreaderColor GreyOperating system pre-installed Linux ... intelligent touchpad, with left and right buttonsWeight 2.3Kg 15.6 INCH I7 4GB RAM 500GB HDD, DVDRW ,USB 3.0 ...