HP 15.6" laptop for Business with Windows 7 Professional 64-Bit (Intel Core i3 3110M 4GB Memory 500GB HDD DVD Super Multi Burner 250 G2 Series) Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro); Intel Core i3 3110M (2.40GHz) 15.6" diagonal LED-backlit HD anti-glare (1366 x 768); 4GB 1600MHz DDR3L SDRAM Intel HD Graphics 4000; 500GB 5400RPM HDD; DVD Super Multi Burner 2 x USB 2.0 1 x USB 3.0 1 x VGA 1 x HDMI; 4-cell lithium ion Bluetooth 4.0; 802.11b/g/n Wireless LAN; 10/100Mbps