The Samsung SSD MZ-NLH5120 (PM881) is a high-performance internal SSD with a storage capacity of 512GB, perfect for laptops. Its M.2 2280 form factor makes it easy to install and offers fast read speeds of up to 550MB/s. This green SSD unit is designed for efficient data transfer. With a SATA III interface and a cache size of 512MB, this Samsung SSD is a reliable choice for enhancing your computer's storage capabilities.