The Western Digital WD Black SN8100 4TB is the objective winner of this comparison, securing more individual specification victories than the Crucial T705 4TB. Across the seven evaluated fields, the Western Digital WD Black SN8100 4TB holds a clear lead in overall value, most notably providing a 11% advantage in MSRP. This pricing benefit serves as the primary differentiator between the two storage solutions, as the remaining metrics resulted in ties.

Users prioritizing cost-efficiency should select the Western Digital WD Black SN8100 4TB, as it offers the most favorable MSRP among the two options. Conversely, those who find no meaningful distinction in the tied specifications may consider the Crucial T705 4TB if personal preference or availability dictates the choice. Since both drives share identical performance in the majority of categories, the decision rests primarily on the 11% pricing advantage held by the Western Digital drive.