The NEW SEALED Western Digital WD_BLACK SN770 2TB M.2 NVMe Internal SSD is a high-performance solid-state drive designed for use with laptops and PCs. With a sleek black color and a storage capacity of 2TB, this SSD offers fast read speeds of up to 5150MB/s and a 4x faster write speed. It utilizes the M.2 interface, NVMe technology, and PCI Express connectivity for efficient data transfer rates of up to 550 Mbps. The Western Digital WD_BLACK SN770 is a reliable and high-quality option for those looking to upgrade their storage capabilities with a top-of-the-line SSD.