The Western Digital WD Black SN8100 2TB is the objective winner of this comparison, securing victory in five out of seven measured specifications. Its most significant performance advantage is its sequential write speed, which is 103% better than that of the Samsung 990 Pro 1TB. While the latter remains a viable option, the former demonstrates a clear technical superiority across the majority of the evaluated categories, establishing itself as the more capable hardware choice for high-performance storage needs.

Users who prioritize maximum write performance should choose the Western Digital WD Black SN8100 2TB to take advantage of its superior sequential write capabilities. Conversely, the Samsung 990 Pro 1TB is the better selection for budget-conscious buyers, as it holds a 61% advantage in MSRP. Selecting between these two drives depends entirely on whether your primary requirement is the raw speed of the Western Digital model or the cost efficiency offered by the Samsung drive.