Wortmann AG TERRA PC-BUSINESS 5100 SILENT GREENLINE. Processor clock speed: 2.93 GHz, Processor family: Intel Core 2 Duo, Processor model: E7500. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM, Memory layout: 1 x 2 GB. Total storage capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: Serial ATA II. Discrete graphics adapter model: AMD Radeon HD 4350, Discrete graphics adapter memory: 512 MB. Operating system installed: Windows 7 Professional, Bundled software: Nero Essentials, Optional operating system supplied: Windows XP Professional