The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing victories in five out of seven measured specifications. Its most significant advantage is its storage capacity, which is 300% greater than that of the alternative. By outperforming the Samsung 980 Pro 1TB in the majority of technical categories, the 4TB model establishes itself as the superior option for users prioritizing high-end hardware specifications and expansive data retention capabilities.

Users who require maximum storage space for large libraries or professional workloads should choose the Samsung 9100 Pro 4TB to leverage its superior capacity. Conversely, the Samsung 980 Pro 1TB is the better selection for budget-conscious buyers, as it offers a 73% advantage in MSRP. Selecting between these two components depends entirely on whether your primary requirement is the massive storage volume of the 4TB drive or the cost efficiency of the 1TB model.