The OWC 64GB (2x 32GB) DDR4 2666MHz SO-DIMM RAM is a high-quality memory module designed for computers and laptops. It features a total capacity of 64GB split into two 32GB modules, making it easy to upgrade your system's memory. The DDR4 SDRAM technology ensures faster data transfer speeds and with a lifetime manufacturer warranty, you can trust in the durability and performance of this RAM module for all your computing needs.