Tailored for business. Optimized for Windows® 7 Professional, this configurable notebook features a 15-inch diagonal display and UMA or discrete graphics. From the professional design to Intel® technology, you’re ready for business. CPU: Intel Core Processor i5-3210M (2.5 GHz/3.10 GHz, 3 MB L3 cache, 2 cores) Display Type: 15.6" diagonal LED-backlit HD anti-glare (1366 x 768) Graphics: Integrated Intel HD Graphics 4000 Memory: 4 GB (1 X 4 GB) DDR3 SDRAM (1600 MHz) Hard Drive: 320GB 7200RPM Optical Drive: SuperMulti DVD+/-RW Dual Layer I/O Ports: 2 USB 2.0, 2 USB 3.0, eSATA/USB Combo, VGA, Display Port, Serial Port, 1394a, RJ-11, RJ-45, stereo mic in, headphone/line-out, docking/ 2nd battery/ AC power connectors Wireless LAN: 802.11b/g/n Networks: Integrated Intel Gigabit Ethernet Controller (10/100/1000 NIC) Pointing Device: Gestures support, Pointstick,Touchpad Expansion Slots: 2 in 1 Card Reader (SD/MMC), ExpressCard/54 Slot Keyboard: Full-sized spill-resistant keyboard with drain and separate numeric keypad Webcam: 720P Battery: 6 cell Lithium Ion Dimensions(WxDxH) 374 W x 251 D x 34 H mm Weight: 2.51 kg Operating System: MS Windows 7 Professional 64-bit