HP Pavilion Notebook 15-ab048sa 15.6 Comes with Intel Pentium N3825U Processor - Dual-core - 1.9 GHz - 2 MB cache processor, Windows 8.1 - Free Windows 10 download Operating System, 4 GB DDR3 RAM Memory and 1 TB HDD, 5400 rpm intrnal storage. Hp Pavilion Notebook 15-ab048sa 15.6 also has Sound Bang & Olufsen,Integrated speakers x 4 - Integrated subwoofer x 1,Integrated TrueVision HD webcam, Full-size backlit keyboard with numeric keypad, The Laptop has 15.6 inch screen size, 25.2 x 384.5 x 261.1 mm (H x W x D) Physical Dimension and 2.29 kg weight, Multi-point touchscreen, 1366 x 768 HD, Pavilion Notebook 15-ab048sa 15.6 is 4-cell Lithium-ion, Up to 7.5 hours and AC power adapter by HP.