Acer Aspire One Happy Purple, Aspire One. Processor clock speed: 1.66 GHz, Processor family: Intel Atom, Processor model: N450. Internal memory: 1 GB, Memory slots: 1x SO-DIMM, Internal memory type: DDR2-SDRAM. Hard drive capacity: 250 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 5400 RPM. Compatible memory cards: MMC, SD. Display diagonal: 256.5 mm (10.1 "), Display resolution: 1024 x 600 pixels, Display: LCD