The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing victories in six out of seven evaluated specifications. Its most significant advantage over the competition is its storage capacity, which is 300% greater than that of the alternative. By offering substantially more space for files and applications, this drive establishes itself as the superior option for users prioritizing high-volume data storage and overall technical performance across the majority of measured categories.

The Western Digital WD Black SN770 1TB is the recommended choice for budget-conscious buyers, as it holds an 89% advantage in MSRP. Users who require a smaller storage footprint and prioritize a lower initial cost should select this drive. Conversely, the Samsung 9100 Pro 4TB is the ideal selection for power users or professionals who need the massive capacity advantage and the technical superiority provided by its winning specifications.