TERRA CH1009150, 3.06 GHz, Intel® Core™ i3, 2 GB, 500 GB, DVD-RW, Windows 7 Professional TERRA CH1009150. Processor frequency: 3.06 GHz, Processor family: Intel® Core™ i3. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 500 GB, Optical drive type: DVD-RW. Operating system installed: Windows 7 Professional. Power supply: 300 W. Chassis type: Desktop. Product type: PC. Product colour: Black, Silver