The SanDisk X400 128GB 2.5in 7mm SATA III Internal SSD is a high-performance solid-state drive designed for use in laptops and PCs. With a storage capacity of 128GB, this SSD offers fast data transfer speeds and reliability. The sleek black design, compact 2.5-inch form factor, and 7mm height make it easy to install in various devices. Featuring SATA III interface and serial ATA features, the SanDisk X400 is a reliable choice for enhancing the speed and efficiency of your computer's storage system.