The Western Digital WD Black SN8100 2TB is the objective winner of this comparison, securing more individual specification victories than its competitor. While the Samsung 990 Pro 2TB holds a notable advantage in MSRP, which is 39% better, the Western Digital WD Black SN8100 2TB provides a significantly more powerful performance profile. Its most impactful advantage is a sequential write speed that is 103% better than the alternative, establishing it as the superior option for data-intensive tasks.

Users who prioritize maximum sequential write performance should choose the Western Digital WD Black SN8100 2TB to take advantage of its substantial speed lead. Conversely, the Samsung 990 Pro 2TB is the better selection for budget-conscious buyers who value the 39% advantage in MSRP over raw write throughput. Selecting between these two drives depends entirely on whether your primary requirement is high-speed data writing or a more favorable initial purchase cost.