The Samsung 990 Pro 4TB is the objective winner of this comparison, securing victory in five out of seven measured specifications. 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 in one category, the superior reliability and longevity offered by the Samsung 990 Pro 4TB make it the more robust choice for long-term data storage needs.

Users prioritizing budget should select the Kingston NV3 1TB, as it holds an 86% advantage in MSRP. This drive is best suited for cost-conscious builds where initial expenditure is the primary concern. Conversely, professionals or power users requiring high-capacity storage with extensive write endurance should choose the Samsung 990 Pro 4TB. Its massive lead in total bytes written ensures it remains functional through significantly more intensive usage cycles than the Kingston NV3 1TB.