Intel® Pentium® Intel Pentium Acer Veriton M275, 3 GHz, Intel® Pentium®, 2 GB, 320 GB, DVD-ROM, Windows 7 Professional Acer Veriton M275. Processor frequency: 3 GHz, Processor family: Intel® Pentium®, Processor model: E5700. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 320 GB, Optical drive type: DVD-ROM. Operating system installed: Windows 7 Professional. Power supply: 250 W. Chassis type: Mini Tower. Product type: PC. Product color: Black