Dell XPS 13 13.3-Inch Touchscreen Laptop (XPS9343-6364SLV) [Discontinued By Manufacturer] Intel Core i5-5200U 2.20 GHz with Intel Turbo Boost Technology up to 2.70 GHz 8 GB DDR3 256 GB Solid-State Drive 13.3 in UltraSharp QHD+ (3200 x 1800) infinity touch display, 10-finger multi-touch support Windows 8.1; Free upgrade to Windows 10 when available The battery life is based on testing using the Mobile Mark 2014 battery life benchmark test. (For more information about this benchmark test, visit www.bapco.com.) Test results should be used only to compare one product with another and are not a guarantee you will experience the same battery life. Battery life may be significantly less than the test results and varies depending on your products configuration, software, usage, operating conditions, power management settings and other factors. Maximum battery life will decrease with time and use. This product is not known to have defects and customers should be directed to Technical Support at 1-800-624-9896 or http://www.dell.com/support/incidents-online/us/en/19/contactus.