The Samsung 870 EVO 2TB and the Western Digital WD Blue SN580 1TB represent a tie in this objective comparison, as each component leads in three distinct specifications. The most impactful advantage for the Samsung 870 EVO 2TB is its capacity, which is 100% better than the alternative. Conversely, the Western Digital WD Blue SN580 1TB provides a significant performance edge, featuring a sequential write speed that is 683% better than its competitor.

Users who prioritize maximum storage space for large libraries should choose the Samsung 870 EVO 2TB to take advantage of its superior capacity. Those who require faster data transfer capabilities for writing files should select the Western Digital WD Blue SN580 1TB, as it offers a substantial lead in sequential write performance. Your final decision should depend on whether your specific workflow demands more total volume or higher speeds for writing operations.