The Lexar NM1090 Pro 2TB is the objective winner of this comparison, securing victories in four out of seven evaluated specifications. Its most significant advantage is its sequential read speed, which outperforms the alternative by 88 percent. By excelling in a majority of the measured categories, this drive establishes itself as the superior option for users prioritizing raw performance metrics and data access efficiency over total storage volume.

Choose the Lexar NM1090 Pro 2TB if your primary requirement is high-speed sequential read performance for demanding tasks. Conversely, select the Samsung 990 Pro 4TB if your workflow necessitates maximum storage space, as it offers a 100 percent advantage in capacity. While the former provides a clear lead in speed-related specifications, the latter remains the logical selection for users who need to store large amounts of data on a single drive.