The SAMSUNG PM871 MZ-NLN512D SSD 512GB M.2 is a high-performance internal SSD designed for use with laptops and PCs. With a storage capacity of 512GB, this green-colored SSD offers fast transfer rates of up to 550 Mbps. It is RoHS compliant and features a low noise level, making it a reliable and efficient storage solution for your computing needs. With a cache size of 512 MB, this SSD from Samsung is a dependable choice for enhancing your computer's speed and performance.