Lenovo Ideapad Y910 or Alienware 17 R4?
Added (1). https://www3.lenovo.com/gb/en/laptops/ideapad/y900-series/Lenovo-IdeaPad-Y910-17ISK/p/88IPY900764
http://www.dell.com/en-uk/shop/cty/pdp/spd/alienware-17-laptop
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