The Crucial T705 4TB is the objective winner of this comparison, securing victories in six out of seven evaluated specifications. Its most significant advantage is its storage capacity, which is 300% greater than that of the alternative. By offering substantially more room for data, this drive establishes itself as the superior option for users prioritizing high-volume storage needs over other considerations.

Choose the Crucial T705 4TB if you require maximum capacity for extensive file libraries or professional workloads. Conversely, select the Western Digital WD Black SN770 1TB if your primary objective is minimizing initial expenditure, as it holds a 91% advantage in MSRP. This makes the latter a more suitable choice for budget-conscious users who do not require the expansive storage space provided by the larger drive.