TravelMate P645 Intel Core i5-5200U (3MB cache, 2.20GHz, up to 2.70GHz with Intel Turbo Boost Technology 2.0) Windows 8.1 Pro (64-bit) / Windows 7 Professional (SP1, 64-bit) Memory: 8GB (4/4) DDR3L SDRAM Storage: 256GB SSD, SD card reader Communications: Intel Dual Band Wireless-N 7265 802.11ac WLAN (supports WiDi), Bluetooth 4.0, Intel Ethernet Connection I218-LM gigabit LAN, webcam Security: Fingerprint reader, TPM, Kensington lock slot, Acer ProShield Security Manager