The SanDisk 256GB SD5SE2-256G-1002e MacBook Pro Laptop SSD is a high-quality internal solid-state drive designed for laptops. It has a sleek black color and is compatible with Mac models such as Asus UX21, UX31, TAICHI21, and TAICHI31. With a storage capacity of 256GB, users can enjoy faster boot-up times, data transfer speeds, and overall performance improvements. The M.2 interface ensures compatibility with modern laptops, making it a reliable choice for enhancing the speed and efficiency of your Mac system.