Lenovo ThinkStation 255531U Desktop
Get better productivity with a Windows 7 Professional OS, available on all Lenovo ThinkStation models. With the E31, you can get the performance and reliability you need on a budget you can afford. The new Lenovo ThinkStation E31 tower and small form factor (SFF) workstations provide the high-performance Intel Core and Xeon processors and error-correcting memory to deliver the professional results you need - at an entry-class price point. Professional results require powerful graphics and - the E31 systems supports both Intel integrated graphics as well as discrete graphic options from NVIDIA.