Fujitsu CELSIUS W280, 3.06 GHz, Intel® Core™ i3, 4 GB, DDR3-SDRAM, DVD-RW, Windows 7 Professional Fujitsu CELSIUS W280. Processor frequency: 3.06 GHz, Processor family: Intel® Core™ i3. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Optical drive type: DVD-RW. Operating system installed: Windows 7 Professional. Power supply: 300 W. Chassis type: Tower. Product type: Workstation. Weight: 12 kg. Product color: Black