The MacBook Pro A1398 Samsung 256GB M.2 NVMe SSD MZ-JPV2560/0A4 655-1858H is an internal SSD designed specifically for use with MacBook and Apple devices. It offers a storage capacity of 256GB, providing ample space for storing data, applications, and media files. With its M.2 NVMe SSD technology, this product ensures fast and efficient data access and processing speeds, making it ideal for enhancing the performance of your computer. Made by Samsung in South Korea, this SSD is a reliable and high-quality option for upgrading your MacBook Pro.