Acer Aspire Z5700, Aspire series PC. Processor clock speed: 3.06 GHz, Processor family: Intel Core i3, System bus: 2.5 GT/s. Internal memory: 4 GB, Maximum internal memory: 8 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 640 GB, Hard drive rotational speed: 7200 RPM. Optical drive type: DVD-RW. Compatible memory cards: Memory Stick (MS), MMC, MS PRO Duo, MS Pro-HG, SD, SDHC