The Western Digital WD Black SN8100 1TB is the objective winner, securing victories in five out of seven comparable specifications. Its most significant advantage is its sequential read speed, which outperforms the Kingston NV3 2TB by 148 percent. While the Kingston NV3 2TB holds its own in two categories, the technical superiority of the Western Digital drive across the majority of metrics makes it the more capable performer for high-speed data operations.

Choose the Western Digital WD Black SN8100 1TB if your primary requirement is maximum sequential read performance for demanding tasks. Conversely, select the Kingston NV3 2TB if your priority is storage volume, as it offers 100 percent more capacity than the alternative. Your decision should depend on whether you value the raw speed advantage of the Western Digital drive or the significantly larger storage footprint provided by the Kingston model.