WD - WD_BLACK SN850 1TB Internal PCIe Gen 4 x 4 Solid State Drive for Laptops & Desktops

PCI Express 4.0 x4 interfaceWorks with Windows 10, Windows 8.1, and Windows 7Irrationally read speeds up to 7,000MB/sec., write speeds up to 5,300MB/sec., and up to 1,000,000 IOPS.