Lenovo Think Pad T430 2349KAG (14.0 inch) Notebook Core i 7 (3520M) 2.9 G Hz 4GB 500GB DVD±RW WLAN BT Webcam Windows 7 Pro 64-bit/ Windows 8 Pro 64-bit RDVD (n Vidia NVS 5400M) Black Intel Core i 7 (3520M) 2.9 G Hz Dual Core Processor with 4MB L3 Cache 4GB (1x 4GB) 1600 M Hz DDR3 memory 500GB (7200RPM) Hard Drive 14.0 inch WSXGA (1600 x 900) HD+ LED-backlit Anti Glare display DVD Recordable (Dual Layer) Microsoft Windows 7 Professional 64-bit preinstalled through downgrade rights in Windows 8 Pro 64-bitn Vidia NVS 5400M Switchable Optimus graphics Integrated gigabit ethernet Intel 6205 ABGN (2x 2) wireless Bluetooth Version 4.0WWAN: Open SIMBacklit keyboard