The Western Digital WD Black SN8100 4TB is the objective winner of this comparison, securing more individual specification victories than its competitor. While the Crucial T705 1TB holds a significant advantage in MSRP, which is 75% better than the alternative, the Western Digital WD Black SN8100 4TB provides a more substantial lead in its primary category. Its most impactful advantage is its capacity, which is 300% better than the storage space offered by the Crucial T705 1TB.

Users who prioritize maximum storage volume for large libraries or extensive file collections should choose the Western Digital WD Black SN8100 4TB for its superior capacity. Conversely, those operating on a stricter budget will find the Crucial T705 1TB to be the more attractive option due to its significantly better MSRP. Selecting between these two drives depends entirely on whether your primary requirement is the expansive space of the Western Digital drive or the cost efficiency of the Crucial model.