9 NP900X3D 13.3" LED (SuperBright Plus) Ultrabook - Intel Core i7 i7-3517U 1.90 GHz - Silver Platform - Samsung Series 9 Notebook Model Name - NP900X3D-A03US Description - Series 9 13.3 Notebook; i7-3517U, 1.9 GHz, 4GB RAM, 256GB SSD, 3 year warranty Screen Size - 13.3 LED HD+ Antiglare Display Resolution - 16 - 9 Aspect Ratio; 1600 x 900 Display Brightness - 400 nits SuperBright Plus Technology Processor - Intel Core i7-3517U Processor Processor Speed - 1.9 GHz, turbo up to 3.0 GHz Hard Drive Size - 256GB SSD Memory Size - 4GB DDR3 (1600 MHz) I/O Ports - 1 x USB 3.0 & 1 x