Intel® Pentium® Intel Pentium DisplayPort 1 Hard Drive HDD HP Compaq Pro 6000, 2.8 GHz, Intel® Pentium®, 2 GB, 320 GB, DVD Super Multi, Windows 7 Professional HP Compaq Pro 6000. Processor frequency: 2.8 GHz, Processor family: Intel® Pentium®, Processor model: E5500. Internal memory: 2 GB, Memory clock speed: 1333 MHz. Total storage capacity: 320 GB, Storage media: HDD, Optical drive type: DVD Super Multi. Discrete graphics card model: Intel® GMA 4500M. Operating system installed: Windows 7 Professional, Operating system architecture: 32-bit. Power supply: 320 W. Chassis type: Micro Tower. Product type: PC. Product colour: Black http://www.toptenreviews.com/computers/desktops/best-business-computers/hewlett-packard/hp-compaq-6000-pro-review/ The HP Compaq 6000 Pro series of business computers are among the top reasons that the once maligned Hewlett-Packard mark has become well respected and ubiquitous among both business and personal use PCs. Just about everything about the series of compu... The processor is upgradable through Intel Pentium, Intel Core 2 Duo and maxing out with the Core 2 Quad processor running at 2.66 to 3.0 GHz for each core, The base processor for the series is the Intel Celeron 450 running at 2.20 GHz. The HP Compaq 6000 Pro series of computers offer great flexibility for small and medium sized business requirements....