The Western Digital WD Black SN770 2TB and the Western Digital WD Red Plus 4TB reach a stalemate in this comparison, as each component secures two spec victories with one tie. The most significant differentiator is the performance gap in sequential read speeds, where the Western Digital WD Black SN770 2TB holds a 2684% advantage. Conversely, the Western Digital WD Red Plus 4TB offers a 100% advantage in total storage capacity, doubling the space available for data.

Users prioritizing high-speed data access should select the Western Digital WD Black SN770 2TB for its superior sequential read capabilities. This drive is best suited for tasks requiring rapid file retrieval. Alternatively, those who require maximum storage volume should choose the Western Digital WD Red Plus 4TB. This option is the ideal selection for users who need to store large amounts of data and prioritize capacity over the speed advantages offered by the alternative.