The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing more total spec victories than its competitor. Its most significant advantage is its storage capacity, which is 300% greater than that of the alternative. While both drives share several identical specifications, the Samsung 9100 Pro 4TB provides a substantial increase in available space, making it the superior choice for users who prioritize high-volume data storage over other considerations.

Users who require extensive storage for large libraries or professional workloads should choose the Samsung 9100 Pro 4TB to take advantage of its superior capacity. Conversely, the SK Hynix Platinum P51 1TB is the better option for budget-conscious buyers, as it offers a 65% advantage in MSRP. Selecting between these two components depends entirely on whether your primary requirement is maximizing total drive space or minimizing the initial cost of your storage purchase.