The Samsung 4GB M471B5273CH0-CK0 DDR3 Laptop Memory is a high-quality memory module designed for laptops. With a total capacity of 4GB and a bus speed of 1600MHz, this memory is perfect for enhancing the performance of your device. The SO-DIMM form factor makes it easy to install, and the DDR3 SDRAM type ensures reliable operation. Additionally, the ECC memory feature provides extra error correction for improved data integrity. Upgrade your laptop's memory capacity with this reliable Samsung module.