ThinkPad T410 25184JU ( 14.1-in WXGA+ TFT (1440 x 900) LED Backlight, Mobile Intel QM57 Express Chip Set, NVIDIA NVS 3100m Graphics 256MB DDR3, Integrated Camera , Integrated Bluetooth Wireless, Intel Core i5-520M Processor, 320 GB / 7200 rpm HDD, DVD Recordable, 2 GB memory, Integrated Mobile Broadband - Upgradable, Intel Centrino Advanced-N 6200, Windows XP Professional preinstalled through downgrade rights from Genuine Windows 7 Professional, 9-cell Li-Ion Battery - dual mode