... 1GB DDR2 RAM 667/533 MHz ,upgradable to 2GB RAM is optional,5.Storage: 2.5inch 160GB,HDD,320G SATA HDD ... is optional,6.with built-in 802.11b/g WIFI wan port. 7.With Built-in 10 ... in stereo speaker.10.I/O Ports: 3*USB 2.0 host, 1*Mic/earphone jack, 1*RJ45 port, 1*DC-In jack ... 1.0kg weight (Including Battery), 14.Built-in 3G module is optional 10.2 inch 1024*600 Screen intel N450 CPU ...