Samsung galaxy book pro 4 14 inch July 8, 2019 16 32 64 128 Samsung galaxy book 4 pro 14 inch review Samsung galaxy book 4 pro 14 inch specs Samsung galaxy book4 pro 14 inch weight Samsung galaxy book4 pro 360 14 inch Samsung book 1 pro Samsung book pro 15.6 Samsung galaxy book go 14 fhd laptop Samsung galaxy book pro 2 15.6 Samsung book pro 15 i7