The Samsung 990 Pro 4TB is the objective winner of this comparison, securing five out of seven total specification categories. Its most significant advantage over the competition is its endurance rating, which is 900% higher than that of the alternative. While the Kingston NV3 1TB manages to win one category, the Samsung 990 Pro 4TB clearly dominates in terms of overall technical specifications and long-term reliability metrics.

Users prioritizing budget should choose the Kingston NV3 1TB, as it offers an 86% advantage in MSRP. Conversely, those who require high-capacity storage with superior longevity should select the Samsung 990 Pro 4TB. The latter is the ideal choice for heavy workloads where the significantly higher endurance rating provides a clear functional benefit, whereas the former serves as a cost-effective solution for users who do not require the extensive durability of the higher-end model.