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 T700 2TB holds a notable advantage in MSRP, which is 44% better than the alternative, the Western Digital WD Black SN8100 4TB provides the most impactful benefit by offering 100% more storage capacity. This significant difference in total space makes the latter the superior choice for users prioritizing maximum data volume.

Choose the Western Digital WD Black SN8100 4TB if your primary requirement is high-capacity storage for large files or extensive libraries. Conversely, the Crucial T700 2TB is the better option for budget-conscious buyers who want to capitalize on its 44% better MSRP. By weighing your need for additional capacity against the cost savings provided by the lower price point, you can select the drive that best aligns with your specific storage needs.