TechPowerUp published a review on the Samsung 990 Pro 2 TB
A quote from the article:
Samsung 990 Pro is the company's flagship M.2 NVMe SSD. Compared to the 980 Pro, it comes with an improved controller and more modern flash. Our review confirms: this is the fastest PCI-Express 4.0 drive you can buy right now, beating the competition from WD, Phison and Solidigm.Samsung 990 Pro 2 TB Review