The ADATA XPG Legend 970 2TB and the Western Digital WD Black SN8100 2TB are tied in overall performance, as both components secured an equal number of spec victories. The primary differentiator is their specific functional strengths. The ADATA XPG Legend 970 2TB offers a significant advantage in endurance, providing 23% higher total bytes written compared to its competitor. Conversely, the Western Digital WD Black SN8100 2TB excels in speed, delivering a 49% faster sequential read capability.

Users who prioritize long-term drive longevity and heavy write workloads should select the ADATA XPG Legend 970 2TB for its superior endurance rating. Alternatively, those who require maximum data transfer speeds for rapid file access should choose the Western Digital WD Black SN8100 2TB. Because both drives offer identical performance across the remaining metrics, the decision rests entirely on whether your specific usage patterns favor the durability of the ADATA drive or the read speed of the Western Digital model.