Specifications: Intel Core i5-3210M 2.50GHz with Intel Turbo Boost Technology up to 3.10GHz Processor Cache: 3MB ScreenSize: 13.3" Resolution: 1366 x 768 Backlight Technology: LED Installed Memory: 6GB (4GB FixedOnboard + 2GB Removable) Memory Type/Speed: DDR3/1333MHz Max. Memory: 12GB Storage Type: Serial ATA Storage Capacity: 640GB Storage Technology: 5400rpm Graphics Processor: Intel HD Graphics 4000 Graphics Video RAM: Internal Maximum Resolution HDMI: 1920 x 1080 Maximum Resolution VGA: 1920 x 1200 Optical Drive Type: Slot LoadingCD/DVD Player / Burner Optical Drive Support - CD/DVD: Read / Write Camera: 1.3 MP HD web camera powered by Exmor for PC and microphone Keyboard: QWERTY, 82 keys with 1.7mm stroke and 19.05mm pitch Backlit Keyboard Sound System: Intel HighDefinition Audio with Dolby Home Theater Technology v4 Inputs and Outputs: Port Replicator Connector: 1; DC-In: 1; USB 3.0: 2; USB 2.0: 1 (Charge); VGA Output(s): 1; Headphone Output: 1; Secure Digital (SD) Slot: 1; Memory Stick Duo: 1; HDMI Output(s): 1 Bluetooth Technology: Bluetooth Standard (4.0 + HS) Ethernet Protocol: 1000BASE-T/100BASE-TX/10BASE-T WiFi Adapter: Intel Centrino Advanced-N 6235 (802.11a/b/g/n) WiDi Ready: Intel Wireless Display Technology Security: Trusted Platform Module (TCG ver. 1.2 certified) Action Buttons: VAIO, ASSIST, WEB, Speed/Stamina Pointing Device: Clickable Touchpad (Gesture Supported) Battery Type: Internal Lithium Polymer Battery(4400mAh) Dimensions (Approx.): 13.04" (W) x 0.95" (H) x 8.85" (D) Weight (Approx.): 3.80 lbs. (with Internal Battery) Genuine Windows 7 Home Premium with Service Pack 1 64-bit