Hanns.G SN22A11BGP. Processor clock speed: 1.66 GHz, Processor family: Intel Atom, Processor model: D510. Internal memory: 3 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 320 GB, Hard drive rotational speed: 5400 RPM. Optical drive type: DVD Super Multi. Compatible memory cards: Memory Stick (MS), MMC, MS PRO, SD