This power packed ThinkCentre business desktop computer comes with an Intel Pentium E2180 processor running at 2GHz. The 160GB hard drive has great speed and plenty of space to store your important files. Lenovo ThinkCentre A57 9702-D3U Desktop Computer also has 1GB of DDR2 memory standard with 1 slot available, and a DVD-ROM optical drive. All these components run with stability thanks to Microsoft's Windows Vista Business operating system. This Lenovo ThinkCentre A57 9702-D3U Desktop Computer is ready to work hard for your business.