Toshiba Tecra Z50 - Core i7 4600U / 2.1 GHz ULV - Windows 7 Pro (32/64 bits) / 8.1 Pro 64-bit - 16 GB RAM - 500 GB HDD - no optical drive - 15.6 1920 x 1080 ( Full HD ) - Intel HD Graphics 4400 - 802.11ac - cosmo silver with hairline/ tile matte black wit