The Western Digital WD Black SN8100 4TB is the objective winner of this comparison, securing victory in five out of seven measured specifications. Its most significant advantage is its storage capacity, which is 300% greater than that of the alternative. While the Corsair MP600 Pro XT 1TB holds a lead in one category, the superior capacity offered by the Western Digital drive makes it the more robust option for users requiring extensive data storage.

Choose the Western Digital WD Black SN8100 4TB if your primary objective is maximizing available space for large libraries or professional workloads. Conversely, the Corsair MP600 Pro XT 1TB is the better selection for budget-conscious buyers, as it holds an 82% advantage in MSRP. Select the Corsair drive if you prioritize a lower initial cost, or opt for the Western Digital model if you require the substantial capacity increase provided by its design.