Toshiba Tecra Z50 - Core i5 4200U / 1.6 GHz ULV - Windows 7 Pro / 8.1 Pro downgrade - 4 GB RAM - 500 GB Hybrid Drive - no optical drive - 15.6 1366 x 768 ( HD ) - Intel HD Graphics - 802.11ac - cosmo silver with hairline/ tile matte black with silver fram