Lenovo Thinkpad T430 23426QU i5-3230M 2.6GHz 8GB 500GB 7200rpm 14" W7Pro Optical Disc Drive: SuperMulti 8X DVD+/-R/RW Dual Layer | Operating System: Windows 7 Professional x64, Upgradeable to Genuine Windows 8 Pro RAM: 8GB (2x4GB) DDR3 1600MHz RAM | Hard Drive: 500GB 7200RPM The following components are upgraded by Computer Upgrade King Technicians: RAM If the computer has modifications (listed below), then the manufacturer box is opened for it to be tested and inspected and to install the upgrades to achieve the specifications as advertised. If no modifications are listed, the item is unopened and untested. The following components are upgraded by computer technicians: RAM