The Crucial MX500 4TB is the objective winner of this comparison, securing more category wins across the evaluated specifications. Its most significant advantage is its storage capacity, which is 300% greater than that of the alternative. While the Western Digital WD Black SN8100 1TB offers a substantial lead in sequential read speeds, the Crucial MX500 4TB provides a superior overall balance of specifications for users prioritizing high-volume data retention.

Choose the Crucial MX500 4TB if your primary requirement is maximum storage space for large libraries or extensive file collections. Conversely, select the Western Digital WD Black SN8100 1TB if your workflow demands the highest possible sequential read performance, as it outperforms the competitor by 2561% in that specific metric. Your decision should depend on whether you value the massive capacity advantage of the former or the specialized speed capabilities of the latter.