This Crucial M550 CT256M550SSD1 is a high-quality internal SSD that offers a storage capacity of 256GB. It is designed to fit a 2.5" SATA III form factor and supports SSD (Solid State Drive) drive types. The SSD is made by Crucial, a trusted brand in the computer industry.The SSD is perfect for those who need fast and reliable storage solutions. It has a SATA III interface and is compatible with various devices. This item is a great addition to any computer or laptop and is sure to provide efficient storage solutions.