Toshiba Portege Z20t-B2112W8 Ultrabook/Tablet - 12.5" - In-plane Switching (IPS) Technology - Wireless LAN - Intel Core M 5Y71 PT15BU-005004 Toshiba Portege Z20t-B2112W8 Detachable Ultrabook Windows 8.1 Pro 8GB memory 256GB M.2 solid state drive (SSD) hard drive