Crucial 4gb ddr4 2133 mts pc4 17000 cl15 sr x8 unbuffered sodimm 260pin more speed more battery life more memory capacity fuel your next gen laptop in the ever changing world of technology any component more than five years old is usually in need of an update at seven years old and counting thatrsquos where ddr3 memory is at laptops can only do so much with it since the introduction of ddr3 memory technology in 2007 processors have doubled in capability ssds have revolutionize