The Western Digital WD Black SN8100 4TB is the objective winner, securing four out of six spec categories. Its most impactful advantage is a 2561% higher sequential read speed compared to the alternative. While the Samsung 870 EVO 1TB holds a single spec victory, the superior data transfer capabilities of the Western Digital drive establish it as the more powerful hardware option for high-performance storage requirements.

Choose the Western Digital WD Black SN8100 4TB if your primary goal is maximizing read performance for demanding tasks. Conversely, select the Samsung 870 EVO 1TB if your priority is the MSRP, where it maintains an 87% advantage over the competitor. These distinct benefits allow users to balance the need for extreme speed against the requirement for a more budget-friendly initial purchase price when selecting their storage solution.