The Samsung 990 EVO 1TB (MZ-V9E1T0BW) is a versatile M.2 2280 NVMe SSD that supports both PCIe 4.0 x4 and PCIe 5.0 x2, delivering up to 5,000MB/s read and 4,200MB/s write with random performance of up to 680K / 800K IOPS. Built with Samsung V-NAND TLC, a Samsung in-house controller and HMB technology, it balances speed and power efficiency for everyday computing, gaming and laptops. It is rated for 600TBW with a 5-year limited warranty.