Processor Intel Core i 7-3520M 2.9 G Hz, Intel Ivy Bridge Architecture, Intel Turbo Boost up to 3.6 G Hz 6MB Cache Memory 4GB DDR3 RAM 2 x so DIMM Hard Drive 500GB SATA Optical Drive None Software Operating System: Windows 7 Professional 64 Display 12.5" HD Lenovo, LED Backlit Resolution: 1366 x 768 Graphics Integrated (Intel HD Graphics 3000) up to 1274MB Shared Memory Audio Integrated Sound System Input Devices Keyboard & Touchpad Networking Wireless (802.11a/g/n Wi-Fi Wireless) 10/100/1000 Gigabit Fast Ethernet Bluetooth 2.1 Power Supply 2.5 Hours Charge Time 3-4 Hours (Upto 4 Hour Battery Life) Interfaces 1 x Display Port 1 x External VGA Port 3 x USB (Universal Serial Bus) 2.0 Ports Expansion Express Card™/54 slot 4-in-1 card reader (MS, MS Pro, MMC, SD) Warranty / Miscellaneous 3 Year Manufacturer Warranty Finger Print Reader Webcam + Mic