Lenovo® recommends Windows 8 Pro. PERFORMANCE AND ENTERTAINMENT IN A BUSINESS-CLASS ULTRABOOKTHE LENOVO® THINKPAD® S431*/S531 ULTRABOOKTMThe Lenovo®
Lenovo® recommends Windows 8 Pro.THE LENOVO® THINKPAD® S431*/S531 ULTRABOOKGEARED FOR PERFORMANCE• Up to Windows 8 Pro• Up to 3rd generation Intel® C
Lenovo® recommends Windows 8 Pro.OPERATING SYSTEM PROCESSOR DISPLAYWindows 8Windows 8 ProWindows® 7 (Selected countries)Ubuntu Linux (PRC only)Intel®
Lenovo® recommends Windows 8 Pro.WWW.LENOVO.COMSPECIFICATIONS©2013 Lenovo. All rights reserved.Availability: Oers, prices, specifications and availabi
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