ThinkPad T400Intel Core 2 Duo processor P8700 (2.53 Ghz),Mobile Intel GM45 Express Chipset ATIMobility Radeon HD 3470wwith 256 MB 320 GB / 5400 rpmDVD Recordable,2 GB (14.1- inch WXGA+ TFT LED backlit(1440x900)Bluetooth wireless technologyIntegrated fingerprint readerIntel Wireless WIFI 5300AGNPC Card, CameraExpress Card,7-in-1 card reader6 cell battery, IEEE 1394Microsoft Vista Business 32downgradable to XP Pro