The Samsung 990 Pro 4TB is the objective winner of this comparison, securing five out of seven spec victories. Its most significant advantage over the competition is its endurance, which is 1400% higher in terms of total bytes written. While the Kingston NV2 500GB remains a viable alternative, it only leads in one category, primarily benefiting from an MSRP that is 92% better than the Samsung 990 Pro 4TB.

Users prioritizing long-term reliability and heavy write workloads should choose the Samsung 990 Pro 4TB for its superior endurance rating. Conversely, the Kingston NV2 500GB is the logical selection for budget-conscious buyers who prioritize a lower MSRP over high-capacity storage longevity. Selecting between these two drives depends entirely on whether your primary requirement is maximizing initial cost savings or ensuring the highest possible durability for your data storage needs.