The M471A5143EB1-CPB is a DDR4 SODIMM module offered by Samsung, tailored for upgrading laptops and small form factor PCs requiring the DDR4 2133 SODIMM standard. This module features a 4GB capacity, structured as 512Mx64, signifying a high-density design optimized for efficient data handling and reliability. Operating at 2133 MHz under the DDR4-2133P specification, it provides a significant improvement in system responsiveness and multitasking capability. The module connects through a 260-pin SODIMM interface, allowing straightforward integration into compatible systems. With its 1Rx8 configuration, it has a single memory rank, making it both power-efficient and effective in processing data swiftly. Built employing Samsung's [512Mx8 8C] configuration, it ensures optimal performance, reduced power consumption, and minimal heat generation. Users seeking to upgrade their systems for better performance in applications, gaming, or general use will find the M471A5143EB1-CPB an excellent and reliable option, underpinned by Samsung's renowned quality and innovation in memory technology.