The Samsung 950 PRO M.2 2280 256GB PCI-Express 3.0 x4 SSD is a high-performance internal SSD designed for use with laptops, PCs, and Macs. With a sleek black design and a storage capacity of 256GB, this SSD offers fast read speeds of up to 2200MB/s and write speeds of up to 900MB/s. It features a shock-resistant design for durability and reliability, making it a great choice for those in need of a reliable and efficient storage solution.