Loading... Please wait...ThinkCentre M91p (4x5 Tower), 3/3 Warranty, Intel Core i7-2600 Processor, 3.4GHz, 8MB Cache, 4GB Memory(1), 500GB HDD(2), Genuine Windows 7 Professional 64(3), DVD Recordable, Gigabit Ethernet Adapter, Integrated Intel Graphics, Integrated Audio, Lenovo USB Preferred Pro Full Size Keyboard, Optical Mouse, Internal Mono Speaker,