Acer Aspire AS7750G-6857 17.3-Inch Notebook Computer (Black) Display: Acer CineCrystal 17.3 inches (1600 x 900) CPU: Intel Core i5-2450M (3MB Intel Smart Cache, 2.50GHz) Memory: 6GB (4/2) DDR3 SDRAM, Upgradeable up to 8GB OS: Windows 7 Home Premium (64-bit) Communications: 802.11b/g/n WLAN, gigabit LAN, webcam Active Matrix TFT Color LCD Aspect Ratio: 16:9 CPU: Intel Core i5-2450M (3MB Intel Smart Cache, 2.50GHz) Memory: 6GB (4/2) DDR3 SDRAM, Upgradeable up to 8GB OS: Windows 7 Home Premium (64-bit) Communications: 802.11b/g/n WLAN, gigabit LAN, webcam