Samsung 9 NP900X4D 15" LED (SuperBright Plus) Ultrabook - Intel Core i7 i7-3517U Dual-core (2 Core) 1.90 GHz - Silver NP900X4D-A02US Samsung Series 9 Notebook NP900X4D-A02US with Magnesium Silver finish. 15 LED HD + Antiglare Display, 16 - 9 Aspect Ratio, 1600 x 900 Resolution, 400 nits SuperBright Plus Technology; Intel Core i7-3517U Processor (1.9 GHz, turbo up to 3.0 GHz); 256GB SSD Drive; 8GB (4GB + 4GB) DDR3 (1600 MHz) Memory; I/O Ports - 2 x USB 3.0 & 1 x USB 2.0, Micro HDMI, 4-in-1 (SD/SDHC/SDXC/MMC); Intel HD Graphics 4000; Connectivity - Intel Centrino Advanced-N 6235 802.11 a/b/g/n, Ethernet Gigabit LAN, Bluetoo