The Samsung 990 Pro 2TB with Heatsink is the objective winner of this comparison, securing victories in four 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 for files and applications, this drive provides a substantial increase in total volume for users who require extensive room for their data compared to the smaller capacity offered by the competitor.

The Western Digital WD Black SN850X 1TB is the better choice for budget-conscious buyers, as it holds a 64% advantage in MSRP. Users who prioritize lower initial costs over total storage volume should select this drive. Conversely, the Samsung 990 Pro 2TB with Heatsink is the superior option for power users or those with large libraries who need the maximum capacity available to accommodate their storage requirements without needing to manage multiple drives.