Seagate’s 4TB FireCuda 530 is similar to the 2TB variant and dominates the Samsung 980 Pro and WD_Black SN850 in most of our tests, especially during sustained write workloads. As a result, Seagate’s FireCuda 530 takes the crown as the fastest M.2 SSD available.
September 7, 2021 Update: We’ve updated this article with new testing for the 4TB Seagate FireCuda 530 M.2 NVMe SSD on page 2.
Original Review for the 2TB capacity was published on August 22, 2021: