It’s not hard to see what makes this VAIO different. Its wrap-over design stands out immediately. Its sleek lines & rounded corners come in a variety of colours & sizes & can be personalized to taste using matching accessories (sold separately) Daily computing becomes a breeze using the larger than ever touchpad for more control & the backlit keyboard for after dark sessions. Thanks to " Rapid Wake + Eco", your data stays safe, secure & instantly accessible in just a few seconds. Close your notebook to put it to sleep instantly & ‘wake’ it days later, to pick things up exactly where you left them. Processor Intel Core i 3-2370M Dual Core 2.4 G Hz, Intel Sandy Bridge Architecture, 3MB Cache Memory 4GB DDR3 RAM Hard Drive 640GB SATA Optical Drive DVD Writer Software Operating System: Windows 7 Home Premium 64-Bit Display 15.5” Sony Vaio LCD LED 16:9 Aspect Ratio Resolution: 1366 x 768 WXGA Graphics Intel HD 3000 Graphics Audio Integrated Speakers Input Devices Keyboard & Touchpad Networking Wireless LAN 802.11 b/g/n LAN: 10/100 Mbps Fast Ethernet Bluetooth 4.0 Power Supply Up to 4.5 hours battery life 2.5 hours charge time Interfaces 3 x USB (Universal Serial Bus) 2.0 ports, 1 x USB (Universal Serial Bus) 3.0 Port 1 x External VGA Port 1 x HDMI Port Expansion 2-in-1 card reader (SD, MMC ) Warranty / Miscellaneous 1 Year Manufacturer Warranty Integrated Webcam with Microphone