Lenovo ThinkPad X240 20AM - Ultrabook - Core i5 4300U / 1.9 GHz - Windows 8 Pro 64-bit - 4 GB RAM - 128 GB SSD - 12.5" 1366 x 768 ( HD ) - Intel HD Graphics 4400 - 802.11ac - WWAN upgradable Product Type:Ultrabook Product Series:X240 Brand Name:Lenovo Manufacturer:Lenovo Group Limited Product Model:20AM001HUS