Lenovo IdeaPad Y50 59423621 15.6-Inch Ultra 4K HD Touchscreen Laptop (Intel Core i7-4700HQ Processor, 16GB RAM, 256GB Solid State Drive, Windows 8.1), Black Display: 15.6" Ultra HD Touchscreen Display (3840 x 2160), 10-finger multi-touch support CPU: Intel i7-4700HQ (Haswell) 2.4GHz with Turbo Boost Technology up to 3.40 GHz Memory: 16GB DDR3L, 256GB Solid State Drive Graphics: NVIDIA GeForce GTX 860M with 2GB graphics memory Windows 8.1, Backlit Keyboard, HD Webcam, WiFi, Bluetooth, JBL Stereo Speakers with Dolby Advanced Audio