The Western Digital WD Black SN8100 4TB is the objective winner of this comparison, securing victory in five out of seven measured specifications. Its most impactful advantage is its sequential read speed, which outperforms the Samsung 970 EVO Plus 1TB by 326 percent. While the Samsung 970 EVO Plus 1TB remains competitive in one category and ties in another, it falls behind the Western Digital WD Black SN8100 4TB in the majority of technical metrics.

Users prioritizing raw data throughput and maximum capacity should choose the Western Digital WD Black SN8100 4TB for its superior sequential read capabilities. Conversely, the Samsung 970 EVO Plus 1TB is the better option for budget-conscious buyers, as it holds an 87 percent advantage in MSRP. Select the former for high-performance storage needs or the latter if minimizing initial expenditure is the primary requirement for your system build.