The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing more victories across the evaluated specifications. Its most significant advantage over the competition is its storage capacity, which is 100% better than that of the alternative. By offering double the space, this drive provides a substantial increase in total volume for users who require extensive room for their data, establishing it as the superior choice based on the provided technical metrics.

Users who prioritize maximum storage space for large libraries or professional workloads should select the Samsung 9100 Pro 4TB to take advantage of its superior capacity. Conversely, the Seagate FireCuda 540 2TB is the better option for budget-conscious buyers, as it holds a 46% advantage in MSRP. Choosing between these two components depends entirely on whether your primary requirement is the expanded capacity of the former or the cost efficiency of the latter.