OS: Choice of Windows 8 Pro (64-bit) or Windows 7 Professional (64-bit) Processor: Intel Core i5-4200U (3MB cache, 1.60GHz, up to 2.60GHz with Intel Turbo Boost Technology) Memory: 4GB (4/0) DDR3L SDRAM Storage: 500GB SATA hard drive, 7200RPM, Acer Disk Anti-Shock Protection; integrated Super-Multi drive; SD (Secure Digital) card reader LED TFT LCD: 15.6" (1920 x 1080) Graphics: Integrated Intel HD Graphics 4400 (200MHz base frequency, 1.0GHz max dynamic frequency) Communications: Intel Centrino Advanced-N 7260 802.11a/b/g/n WLAN, Bluetooth, gigabit LAN, webcam Security: Fingerprint reader, TPM, Kensington lock slot, Acer ProShield Security Manager