ASUS EB1012-B0227. Processor frequency: 1.6 GHz, Processor family: Intel Atom, Processor cache: 1 MB. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 4 GB. Total storage capacity: 250 GB, Hard drive interface: Serial ATA, Compatible memory cards: MMC, MS Pro, SD, SDHC. Operating system installed: Windows 7 Home Premium. Colour of product: Black, Chassis type: Small Desktop