TERRA CH1001142, 3,06 GHz, Intel® Core™ i3, 4 GB, 1 TB, DVD-RW, Windows 7 Home Premium TERRA CH1001142. Processor frequency: 3,06 GHz, Processor family: Intel® Core™ i3. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 1 TB, Card reader integrated, Optical drive type: DVD-RW. Discrete graphics card model: AMD Radeon HD 5570. Operating system installed: Windows 7 Home Premium. Power supply: 400 W. Chassis type: Midi Tower. Product type: PC. Product colour: Black, Silver