The Samsung 990 Pro 1TB with Heatsink and the Western Digital WD Black SN770 2TB are evenly matched, as both components secured an equal number of spec victories. The primary differentiator for the Samsung 990 Pro 1TB with Heatsink is its inclusion of a DRAM cache, which represents a 100% advantage over the alternative. Conversely, the Western Digital WD Black SN770 2TB offers a 100% advantage in total storage capacity compared to the Samsung model.

Users who prioritize sustained performance and data management should select the Samsung 990 Pro 1TB with Heatsink for its DRAM cache. This component is best suited for tasks where that specific architectural feature is required. Alternatively, those who need maximum space for large libraries or extensive file storage should choose the Western Digital WD Black SN770 2TB. This drive is the superior option for users whose primary requirement is doubling the available storage capacity.