Operating System: Microsoft Windows 7 Professional 64-bit CPU: Intel Core Processor i5-3320M (2.6 GHz /3.3 GHz, 3 MB L3 cache, 2 cores) Memory: 4 GB 1600 MHz DDR3 SDRAM Hard Drive: 500GB 7200RPM Optical Drive: DVD+/-RW SuperMulti DL Display: 14" diagonal LED-backlit HD anti-glare (1366 x 768) Graphics: Integrated Intel HD Graphics 4000 Wireless: Intel Centrino Advanced-N 6200 (2x2) 802.11a/b/g/n Network Interface: Integrated Intel 82579LM Gigabit Network Connection (10/100/1000 NIC) Bluetooth: 4.0 + EDR Wireless Technology WWAN: NO Webcam: 720p HD webcam I/O Ports: 2 USB 3.0, 1 USB 2.0, 1 eSATA/USB 2.0 Combo, VGA, Display Port, 1394a, RJ-11, RJ-45, stereo mic in, headphone/line-out, docking/ 2nd battery/ AC power connectors Battery: 6-cell (55 WHr) Dimensions (WxDxH): 33.8 x 23.1 x 3.4 cm Weight: Starting at 2.03 kg