Wortmann AG TERRA PC-BUSINESS 5000 GREENLINE. Processor clock speed: 3.06 GHz, Processor family: Intel Core i3, L3 cache: 4 MB. Internal memory: 2 GB, Maximum internal memory: 16 GB, Memory layout: 2 x 1 GB. Total storage capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: Serial ATA II. Audio system: HD Realtek ALC888S, Audio output channels: 5.1. Optical drive type: DVD±RW