MSI CR600-017US 16-Inch Laptop Intel T4300 2.1GHz Processor 4GB RAM, Number of SO DIMM Slots 2 Hard Drive Capacity 320GB; Optical Drive Included Bluray Combo Windows Vista Premium, Eligible for Window 7 upgrade Program, 6 Cell Battery LCS Screen Type WXGA (16:9); LCD Resolution 1366 x 768;