misi agan2 disini, klo ane mau updgrade RAM laptop jd 8GB, DELL Gaming G3 3579 15.6" FHD/Intel Core i7-8750H/4GB/2TB+16GB Intel Optane SSD/Nvidia GeForce GTX 1050Ti 4GB/WIN10 Home - Black, ngehapus garansi ga ya? trs ada yg bs bisikin brand & toko yg recommended buat RAM tsb?