The Crucial T500 2TB is the objective winner of this comparison, securing victory in five out of seven evaluated 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 smaller capacity offered by the competitor.

Choose the Crucial T500 2TB if your primary requirement is maximum storage capacity for your system. Conversely, select the Western Digital WD Blue SN580 1TB if you prioritize the 66% advantage in MSRP. This makes the Western Digital drive the more suitable option for users focused on the initial purchase cost, while the Crucial drive remains the superior choice for those needing the expanded storage footprint provided by its higher capacity.