AR-P120-T72Intel Core 2 Duo T7250 2.0GHz with 12.1" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P150-T72Intel Core 2 Duo T7250 2.0GHz with 15" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P170-T72Intel Core 2 Duo T7250 2.0GHz with 17" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P190-T72Intel Core 2 Duo T7250 2.0GHz with 19" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P120-T55Intel Core 2 Duo T5550 1.8GHz with 12.1" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P150-T55Intel Core 2 Duo T5550 1.8GHz with 15" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P170-T55Intel Core 2 Duo T5550 1.8GHz with 17" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P190-T55Intel Core 2 Duo T5550 1.8GHz with 19" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P120-T545Intel Core 2 Duo T5450 1.6GHz with 12.1" TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P150-T545Intel Core 2 Duo T5450 1.6GHz with 15” TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P170-T545Intel Core 2 Duo T5450 1.6GHz with 17” TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screenAR-P190-T545Intel Core 2 Duo T5450 1.6GHz with 19” TFT LCD, 512MB DDR2 SDRAM, 2.5" 80GB HDD, Touch screen