The Samsung 9100 Pro 2TB is the objective winner of this comparison, securing victories in five out of seven evaluated specifications. Its most significant advantage is its sequential write performance, which is 113% better than the alternative. This substantial lead in write capabilities establishes the Samsung 9100 Pro 2TB as the superior option for users prioritizing raw data throughput and high-capacity storage performance in their system builds.

Users who require maximum write speeds for demanding workloads should choose the Samsung 9100 Pro 2TB for its clear performance lead. Conversely, the Western Digital WD Black SN850X 1TB is the better choice for budget-conscious buyers, as it holds a 68% advantage in MSRP. Selecting between these two drives depends entirely on whether your primary objective is to achieve the highest possible sequential write performance or to minimize your initial hardware expenditure.