ASSALAMUALAIKUM

laptop compaq presario cq42 bisa di ganti gk RAM nya?

mending mana?
A. Crucial 4GB Kit (2x2GB) DDR3 1600 MT/s PC3-12800 CL11 SODIMM 204-Pin Notebook Memory
B.Crucial CT51264BF160B 4 GB DDR3 PC3-12800 Unbuffered NON-ECC 1.35V

ane newbie hehe
plz jawab ya gan