The Crucial T705 4TB is the objective winner of this comparison, securing victory in five out of seven measured specifications. Its most significant advantage is its storage capacity, which is 100% greater than that of the alternative. By offering double the space, this drive provides a substantial increase in total volume for users who require extensive room for their files and applications compared to the Samsung 990 Pro 2TB.

Choose the Crucial T705 4TB if your primary requirement is maximum storage capacity for large-scale data needs. Conversely, select the Samsung 990 Pro 2TB if you prioritize a more favorable MSRP, as it holds a 73% advantage in that specific category. Your decision should rely on whether you value the doubled capacity of the former or the cost-related benefit provided by the latter.