Toshiba Satellite P55T-B5262 15.6-Inch Touchscreen Laptop Intel Core i7-4710HQ Processor (6M Cache, up to 3.5 GHz) with Intel Turbo Boost Technology 2.0 12 GB DIMM RAM; 1 TB 5400 rpm Hard Drive 15.6-Inch Ultra HD 4K Touch Display with 3840x2160 Resolution AMD Radeon R9 M265X Graphics Windows 8.1, 3.0-hour battery life