The ADATA XPG Legend 970 2TB is the objective winner of this comparison, securing victories in five out of seven measured specifications. Its most significant advantage is its sequential read speed, which outperforms the alternative by 141 percent. While the Western Digital WD Blue SN580 2TB holds a single spec victory, the superior performance metrics across the majority of categories establish the ADATA XPG Legend 970 2TB as the more capable hardware option for high-performance storage needs.

Users prioritizing maximum data transfer speeds should select the ADATA XPG Legend 970 2TB to take advantage of its substantial lead in sequential read capabilities. Conversely, the Western Digital WD Blue SN580 2TB is the appropriate choice for budget-conscious buyers, as it offers a 62 percent advantage in MSRP. Choosing between these two drives depends on whether the user values the raw performance throughput of the ADATA drive or the cost efficiency of the Western Digital model.