Lenovo ThinkPad T420 14" LED Notebook Intel Dual Core i7-2640M 2.80GHz 8 GB DDR3 RAM 500 GB HD DVD-RW WiFi Bluetooth Webcam Windows 7 Professional 64-bit Microsoft Windows 7 Professional 64-bit pre-installed w/CoA Intel Core i7-2640M 2.8 GHz dual-core processor w/Hyper-Threading Technology 8 GB DDR3 RAM (supports up to 8GB MAX), 500 GB Serial ATA hard drive, DVDRW drive Intel HD 3000 graphics w/Clear Video HD technology, 4-in-1 media card reader, 720p High Definition Integrated Webcam 14" LED 1600 x 900, WiFi, Bluetooth