Acer 522, Aspire One. Processor clock speed: 1 GHz, Processor family: AMD Dual-Core, Processor model: C-50. Internal memory: 1 GB, Memory slots: 1x SO-DIMM, Internal memory type: DDR3-SDRAM. Hard drive capacity: 250 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA. Compatible memory cards: Memory Stick (MS), MMC, MS PRO, SD, xD. Display diagonal: 256.5 mm (10.1 "), Display resolution: 1280 x 720 pixels, Display: LCD