MSI AP2011-021XEU. Processor clock speed: 2.6 GHz, Processor model: G620, System bus: 5 GT/s. Internal memory: 2 GB, Maximum internal memory: 8 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Hard drive rotational speed: 7200 RPM. Optical drive type: DVD Super Multi. Compatible memory cards: Memory Stick (MS), miniSD, MMC, MS PRO, xD