samsung ultrabook ativ book 9 np940x5j Samsung Notebook 9 Pro NP730QAA NP550XTA NP940X3M NP940X5N NT950QAA NP730QAA-K0 NP940X5M NP940X5M-X01US NP940X5N NP940X5N-X01USSamsung NP940X3L NP940X5J BA92-15849A BA92-15849B NP940X3L SERIES NP940X3L-K01US NP940X3L-K02CN NP940X3L-K02HK NP940X5J SERIES NP940X5J-K01 NP940X5J-K01CA NP940X5J-K01US NP940X5J-K02 NP940X5J-K02CA NP940X5J-K02US NP940X5J-S01US