The Samsung 990 EVO Plus 2TB and the Western Digital WD Black SN850X 1TB result in an objective tie, as both components secure an equal number of specification victories. The most impactful advantage for the Samsung 990 EVO Plus 2TB is its capacity, which is 100% better than the alternative. Conversely, the Western Digital WD Black SN850X 1TB holds a 100% advantage in DRAM cache, marking the most significant performance-related distinction between these two storage options.

Users who prioritize maximum storage space for large libraries or extensive file collections should select the Samsung 990 EVO Plus 2TB. This drive is the clear choice for those needing the extra capacity provided by its 2TB footprint. Alternatively, users who value the inclusion of a DRAM cache for their specific storage operations should opt for the Western Digital WD Black SN850X 1TB, as it provides a distinct advantage in that technical category.