The Western Digital WD_BLACK SN850X 4TB NVMe Internal SSD (WDS400T2X0E) is a high-performance solid-state drive designed for use with a PC. With a sleek black color and a compact 2.5-inch form factor, this SSD offers quick read speeds of up to 7300MB/s and a generous 4TB storage capacity. It is backed by a 5-year manufacturer warranty and features a heatsink for improved cooling. Compatible with SSD drive types and utilizing the NVMe interface, this Western Digital SSD is a reliable and efficient choice for enhanced computer performance and storage capabilities.Was pulled from known working system. Drive had 100% health with 113 days of on time.