The Samsung 8GB DDR4 2133MHz PC4-2133P 1Rx8 SO-DIMM Laptop RAM M471A1K43BB0-CPB is a high-quality memory module designed for laptops. With a total capacity of 8GB and a bus speed of PC4-17000 (DDR4-2133), this RAM offers fast and efficient performance. Manufactured by Samsung, known for its reliability and durability, this DDR4 SDRAM module comes with a lifetime warranty, ensuring long-term support and security. Its compact SO-DIMM form factor makes it easy to install and use, making it a practical choice for upgrading your laptop's memory capacity.