The Micron 4GB DDR4 SO-DIMM laptop RAM stick (Model: MTA8ATF51264HZ-2G1B1) is a high-quality memory module designed for laptops. With a total capacity of 4GB and ECC memory features, this RAM stick offers reliable performance and stability. The SO-DIMM form factor and DDR4 SDRAM type ensure compatibility with a wide range of laptop models. The lifetime manufacturer warranty guarantees long-lasting support and peace of mind. With 260 pins and a single module capacity of 4GB, this memory module is a great choice for upgrading your laptop's memory capacity.