The SanDisk X400 256GB 2.5" SATA III Internal SSD is a high-performance solid-state drive designed for use in laptops and PCs. With a sleek black form factor and a storage capacity of 256GB, this SSD offers fast data transfer rates and low noise levels for a quiet and efficient computing experience. The SanDisk X400 utilizes SATA III interface technology, making it compatible with a wide range of devices. This internal SSD from SanDisk is a reliable and efficient storage solution for enhancing the performance of your computer system.