The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing victories in five out of seven measured categories. Its most significant advantage over the competition is its storage capacity, which is 300% better than the alternative. By offering substantially more space for files and applications, this drive provides a clear technical lead in overall utility for users who prioritize high-volume data storage within a single component.

The Western Digital WD Black SN850X 1TB is the superior choice for budget-conscious buyers, as it holds an 83% advantage in MSRP. Those who require less storage space and prioritize a lower initial cost should select this drive. Conversely, the Samsung 9100 Pro 4TB is the ideal solution for power users or professionals who need the maximum capacity available to manage extensive libraries and large-scale projects without compromise.