Intel® Pentium® Intel Pentium Lenovo ThinkCentre M58e, 3 GHz, Intel® Pentium®, 2 GB, 320 GB, DVD-RW, Windows 7 Professional Lenovo ThinkCentre M58e. Processor frequency: 3 GHz, Processor family: Intel® Pentium®, Processor model: E5700. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 320 GB, Optical drive type: DVD-RW. Operating system installed: Windows 7 Professional, Operating system architecture: 32-bit. Chassis type: Tower. Product type: PC. Weight: 24.3 lbs (11 kg). Product color: Black https://www.pcmag.com/article2/0,2817,2347669,00.asp The Lenovo ThinkCentre M58e ($763 direct) is kind of like the M58ps entry-level brother. Some of the same options are available: a range of Intel processors, full-sized hard drives and optical drives, etc. The M58e is a bit less expensive for a sim... Tower configuration gives the system lots of expansion space. Decent price. Good performance numbers. Environmentally friendly. Tower takes up a lot of desk or floor space. Perhaps more corporate-oriented than small business-oriented. Not available in "Ultra-Small" form factor. Think of the Lenovo ThinkCentre M58e as the less expensive, more mainstream member of the M58 series. It shows that "entry level" doesnt have to be stripped to work well.... http://compreviews.about.com/od/sff/gr/ThinkCentreM58e.htm For a business that is looking to get dedicated desktops with full desktop performance but that consumer less power and take up less space, the ThinkCentre M58e is certainly a strong choice. With its solid performance thanks to the latest... Uses DDR3 Memory, Dedicated Graphics Card, Three Year Warranty Expensive, Limited Hard Drive Space