The ThinkCentre M91p Tower Desktop Computer from Lenovo is a powerful desktop computer in a tower form factor. You can place it underneath or on your desk with equal ease. The system ships with a matching keyboard and optical mouse.
The system is powered by a quad-core 3.4GHz Intel Core i7-2600 CPU, which can be overclocked to 3.8GHz via Intel Turbo Boost. It is loaded with 4GB of RAM, a 500GB 7200rpm hard drive, a SuperMulti DVD burner, USB ports, and a dedicated AMD Radeon HD 5450 with 1GB of memory. Windows 7 Professional (64-bit) is the installed operating system.