Acer Extensa 5635G-654G50N _Win7HP, Extensa. Product type: Notebook. Processor frequency: 2.1 GHz, Processor family: Intel Core 2 Duo, Processor model: T6570. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory layout (slots x size): 2 x 2 GB. Total storage capacity: 500 GB, Hard drive interface: Serial ATA, Compatible memory cards: MMC, MS PRO, SD, xD. Display diagonal: 39.62 cm (15.6"), Display resolution: 1366 x 768 pixels, Display brightness: 220 cd/m²