The Samsung PM981 256GB NVMe PCIe 3.0 x4 M.2 Solid State Drive is an internal SSD designed for use with laptops and PCs. It offers fast write speeds, low noise levels, and a storage capacity of 256GB. This M.2 interface drive utilizes NVMe technology for improved performance and is ideal for those looking to upgrade their storage capabilities with a reliable and high-quality solid-state drive from Samsung.