Dell - XPS 18 18.4" Portable Touch-Screen All-In-One Computer - 4GB Memory - 500GB Hard Drive - Windows 8 Dell XPS 18 18.4" Portable Touch-Screen All-In-One Computer - 4GB Memory - 500GB Hard Drive 18.4" capacitive multitouch-screen IPS display Built-in Intel Centrino Wireless 2230 LAN (802.11b/g/n) Microsoft Windows 8 64-bit operating system preinstalled 8-in-1 media reader