The Samsung and Micron RAM 20GB (5x4GB) DDR4-2666 PC4-2666V 260-Pin SO-DIMM is a high-quality memory module designed for computers and laptops. With a total capacity of 20GB spread across 5 modules, each with a capacity of 4GB, this RAM provides ample memory for multitasking and running demanding applications. The DDR4 SDRAM memory type ensures fast data transfer speeds, while the SO-DIMM form factor makes it easy to install in various devices. The lifetime manufacturer warranty guarantees reliability and peace of mind. This RAM is ideal for users looking to upgrade their system's memory capacity for improved performance.