... Pre-install free-version win7 OS For test.3.Display: 10.2 inch Capacity multi-Touch Screen, 1024*600 ... MHz ,upgradable to 2GB RAM is optional,5.Storage: 2.5inch 160GB,HDD,320G SATA HDD is optional,6.with built-in 802 ... jacks,Build-in stereo speaker.10.I/O Ports: 3*USB 2.0 host, 1*Mic/earphone jack, 1*RJ45 port ... 50-60Hz Universal, 2A Max, Output:19V DC, 3.42A Max,13.Dimension:260*165*23mm,About 1.0kg ...