IBM ThinkPad R Series notebooks offer feature rich performance for frequently mobile users who want easy, ready to run computing. . The ThinkPad R51 provides high performance graphics for displaying detailed designs, dramatic demos and high-powered presentations. This particular model boasts an Intel Pentium M 725 1.6 GHz processor, 256 MB RAM and a 40 GB hard drive. These affordable notebooks offer lightweight designs with great performance, outstanding battery life and large, bright displays The ThinkPad family also features exclusive IBM Think Vantage Technologies and Think Vantage design. Together, they deliver business advantage by helping to save time.