The Samsung 990 EVO Plus 2TB is the objective winner of this comparison, securing victories 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 data volume for users who require extensive room for their files and applications compared to the smaller capacity offered by the competitor.

The Western Digital WD Black SN770 1TB is the preferred choice for budget-conscious buyers, as it holds a 68% advantage in MSRP. Users prioritizing a lower initial cost should select this drive for their builds. Conversely, those who prioritize maximum storage space should choose the Samsung 990 EVO Plus 2TB to take advantage of its superior capacity. Each drive serves a distinct need based on whether the user values financial savings or expanded storage volume.