Toshiba Satellite L55-A5385 15.6" Professional Laptop Intel Core i5-3337U Processor 1.80 GHz Clock speed (up to 2.70 GHz 3MB Cache) 6GB DDR3 1600MHz (max 16GB) 500GB (5400 RPM) Serial ATA hard disk drive 15.6 diagonal widescreen TruBrite TFT display at 1366 x 768 native resolution (HD) 1-USB (2.0) port with Sleep and Charge, 2-USB (3.0) ports