Evolving out of the 14" T61, the T400 is a standard business-class laptop from Lenovo. Built to be fast and full featured the T Series is based on the new Centrino 2 platform, containing the latest 45nm Intel Core 2 Duos, DDR3 ram and the new the new Intel X4500HD integrated graphics chip. The T500 also includes a discrete graphics card option, allowing for better 3D performance. A pound lighter than the T500, the T400 starts at 4.7 pounds with a comparable battery life of 4.3 hours (longer battery life when switched to discrete graphics).
