Lenovo Thinkpad 14.1-inch Laptop (Windows 7 Professional i5-4300M 2.6 GHz up to 3.3 GHz 4GB RAM 500GB HDD DVDRW 802.11 AC WiFi, Bluetooth up to 12 Hours Battery Life 30-Month Lenovo Warranty) 4th Gen Intel Core i5-4300M 3MB Cache 2.6 GHz Base Frequency, 3.3 GHz Turbo Frequency; Windows 7 Professional 64 bit English installed, Eligible for Windows 10 Professional free upgrade 4GB PC3-12800 DDR3L (1 user accessible slot) RAM, 500GB 7200 rpm HDD, 14" HD+ (1600 x 900) LED Backlit Anti-Glare Display, Intel HD Graphics 4600, Intel Dual Band Wireless-AC 7260, Bluetooth 4.0 1 x VGA, 1 x USB 3.0, 3 x USB 2.0, 1 x Mic/headphone combo, 1 x RJ45, 1 Mini DisplayPort, Fingerprint Reader, 720P Webcam, Media Card Reader Full-Sized and Spill-Resistant Ergonomic Keyboard, MIL-SPEC / Military-Specification Tested for Legendary ThinkPad Reliability, vPro: Yes