The Samsung 4GB 1Rx16 PC4-3200AA-SC0-11 Laptop Memory is a high-quality RAM module designed for laptops. With a total capacity of 4GB and a bus speed of PC4-25600 (DDR4-3200), this DDR4 SDRAM memory provides fast and efficient performance for your computer. It features a SO-DIMM form factor and is equipped with ECC memory, ensuring reliable operation. Backed by a lifetime manufacturer warranty, this Samsung memory module is a dependable choice for enhancing your laptop's performance and reliability.