The Lenovo ThinkCentre M91 are premium enterprise-class desktop computers optimized for high performance and manageability. M91 are Lenovo’s first enterprise-class ThinkCentres with the 2nd generation Intel® Core™ processor. The Intel® Core™ processors, employed by ThinkCentre M91 come with Hyper-Threading and Turbo Boost 2.0 to multitask faster and deliver powerful performance. The ThinkCentre M91 and M91p provide smart technology to keep you competitive while optimizing your budget and operation. The M91 are the fastest ThinkCentre desktops with SATA III hard disk drive and USB 3.0. The SATA III enables data transfer at the rate of 6GB per second, which is twice as fast as SATA II. The USB 3.0 transfers data at the speed of 625MB per second - ten times as fast as USB 2.0.