The Western Digital WD Black SN8100 4TB is the objective winner of this comparison, securing victories in six out of seven measured specifications. Its most significant advantage over the Kingston NV3 2TB is its endurance rating, which is 400% higher. While the Kingston NV3 2TB holds a notable lead in MSRP, offering an 85% better value in that specific category, the superior durability and capacity of the Western Digital drive make it the more robust technical choice.

Users who prioritize long-term reliability and high-capacity storage should select the Western Digital WD Black SN8100 4TB, as its endurance rating provides a substantial advantage for heavy write workloads. Conversely, the Kingston NV3 2TB is the appropriate choice for budget-conscious buyers who prioritize a lower MSRP over the extended lifespan and storage volume offered by its competitor. Your decision should depend on whether your primary requirement is cost savings or maximum hardware longevity.