Operating System: Microsoft Windows 7 Professional 64-bit CPU: Intel Core i7-3720QM (2.60 GHz, 6 MB L3 cache, 4 cores) Memory: 4 GB 1600 MHz DDR3 SDRAM (2 SODIMM Slots) Hard Drive: 500 GB 7200 rpm SATA II Optical Drive: DVD+/-RW SuperMulti DL Display: 14" diagonal LED-backlit HD+ anti-glare (1600 x 900) Graphics: 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 eSATA/USB 2.0 Combo 1 USB 2.0 charging 1 external VGA monitor 1 DisplayPort 1 1394a 1 stereo microphone in 1 stereo headphone/line-out 1 AC power 1 RJ-11 1 RJ-45 1 docking connector 1 secondary battery connector 1 Express Card/54; 1 SD/MM Battery: 6-cell (55 WHr) Dimensions (WxDxH): 33.8 x 23.1 x 3.4 cm Weight: Starting at 2.25 kg