Intel Core i7-4510U (4MB Intel Smart Cache, 2.0GHz, up to 3.10GHz with Intel Turbo Boost Technology 2.0) Memory: 8GB (4/4) DDR3L SDRAM Storage: 1TB SATA hard drive, 5400RPM; integrated Super-Multi drive (M-DISC READY); SD card reader LED TFT LCD: Matte 17.3" (1600 x 900) Graphics: Discrete NVIDIA GeForce 820M (2 GB dedicated DDR3 VRAM) Communications: Intel Centrino Advanced-N 7260 802.11a/b/g/n WLAN, Bluetooth 4.0, gigabit LAN, webcam Security: Facial recognition login, Kensington lock slot OS: Windows 8.1 Pro (64-bit) / Windows 7 Professional (64-bit)