Intel® Pentium® Intel Pentium Fujitsu ESPRIMO E3521, 3.2 GHz, Intel® Pentium®, 2 GB, 500 GB, DVD Super Multi, Windows 7 Professional Fujitsu ESPRIMO E3521. Processor frequency: 3.2 GHz, Processor family: Intel® Pentium®, Processor model: E5800. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1066 MHz. Total storage capacity: 500 GB, Optical drive type: DVD Super Multi. Discrete graphics card model: Intel® GMA 4500. Operating system installed: Windows 7 Professional. Power supply: 250 W. Chassis type: SFF. Product type: PC. Weight: 22 lbs (10 kg). Product color: Black