Lenovo ThinkPad Edge E555  20DH002TUS 15.6-Inch Laptop (AMD A10-7300 Processor, 4 GB DDR3L SDRAM, 500 GB HDD, Windows 7), Black AMD Quad-Core A10-7300 (4 Core, 1.90 / 3.20GHz, 4MB, 1600MHz) 4 GB DDR3L SDRAM (16GB Max Support); 500 GB 5400 rpm Hard Drive 15.6-Inch Screen (1366x768) AMD Radeon R7 M260DX, 2GB Memory; Supports dual independent display Bluetooth 4.0; Wireless ; 14.84" x 10.04" x 1.07" 5.20 lb ; DVD; HD 720P Webcam ; 4-in-1 reader;VGA DB-15, HDMI; 6-Cell Battery Windows 7 Pro 64-Bit downgrade rights in Windows 8.1 Pro 64-Bit