ThinkPad T431s (20AA0014RI), 14" dispaly, HD+ (1600x900) resolution, Antiglare LCD, Windows 7, Intel QM77 chipset, Intel Core i5-3337U (Dual Core - 3M Cache, up to 2.70 GHz), 4GB RAM PC3-12800 1600MHz DDR3, 180GB SSD, Intel HD Graphics 4000, 4-in-1 card reader, 2xUSB3.0, VGA, MiniDisplayPort, RJ-45, PCIe x1, Dock connector, Intel 802.11abgn wireless, WWAN, HD Audio, Realtek ALC3202 codec, 1Wx2 stereo speakers, Bluetooth 4.0, 1Gb Ethernet, UltraNav, Secure Chip Fingerprint reader, HD720p resolution camera, 3cell baterry Li-Polymer battery NBK LNV THKP T431s i5-3337 4GB 180SSD W7