The Samsung 4GB 1Rx8 PC4-2133P-SA0-11 Laptop Memory is a high-quality memory module designed for laptops. With a total capacity of 8GB spread across 2 modules, each providing 4GB of DDR4 SDRAM, this RAM upgrade is ideal for improving the performance and efficiency of your device. The SO-DIMM form factor and DDR4 SDRAM type ensure compatibility with a wide range of laptops, while the lifetime manufacturer warranty guarantees long-lasting reliability. Upgrade your laptop with this Samsung memory module for enhanced speed and capacity.