The Western Digital WD Black SN850X 2TB is the objective winner of this comparison, securing victory in four out of six measured specifications. Its most impactful advantage is its sequential read speed, which outperforms the Samsung 870 EVO 500GB by 1204 percent. While the Samsung 870 EVO 500GB holds a 71 percent advantage in MSRP, the superior performance metrics of the Western Digital drive establish it as the more capable hardware option across the majority of technical categories.

Users prioritizing raw speed and maximum throughput should choose the Western Digital WD Black SN850X 2TB to leverage its significant sequential read advantage. Conversely, the Samsung 870 EVO 500GB is the logical selection for budget-conscious buyers who prioritize a lower MSRP over the high-performance capabilities offered by the alternative. Selecting between these two components depends entirely on whether the user values the substantial speed increase of the Western Digital drive or the cost efficiency of the Samsung model.