The WD_BLACK SN850X 1TB M.2 2280 PCIe NVMe Internal SSD is a high-performance solid-state drive designed for use with PCs. With a sleek black design and a storage capacity of 1TB, this SSD offers fast read speeds of up to 7300MB/s and write speeds that are twice as fast. It utilizes NVMe interface technology for efficient data transfer and has a cache of 128MB for improved performance. This model is part of the WD Blue product line and is an ideal choice for those looking to upgrade their storage capabilities in their computer systems.