It measures 13.3 inches and has a 1366×768 LED backlit LCD, Intel HD Graphics 2000/3000, 500/750GB hard drive for storage, 4/6GB DDR3 RAM and 3 USB ports, and weighs 4.08 pounds.
It measures 14 inches and has a 1366×768 LED backlit LCD, Intel HD Graphics 3000, 640GB hard drive for storage, 4/6GB DDR3 RAM and 3 USB ports, and weighs 4.78 pounds.
It measures 15.6 inches and has a 1366×768 LED backlit LCD, Intel HD Graphics 3000, 750GB hard drive for storage, 6GB DDR3 RAM and 3 USB ports, and weighs 5.49 pounds.
Its screen is 15.6 inches and weighs 5.49 pounds, It contains DVD super multi DL drive (this is not present in the 3830TG).
It was first shown at the Consumer Electronics Show (CES) in Las Vegas in January 2012, then in March at the CeBIT tradeshow in Hannover, Germany.