The Samsung 870 EVO 2TB and the Western Digital WD Black SN770 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 Black SN770 1TB offers a significant performance edge, featuring a sequential write speed that is 825% better than the Samsung drive.

Choose the Samsung 870 EVO 2TB if your primary requirement is maximum storage space for your files and media. This drive is the superior option for users prioritizing capacity over raw speed. Alternatively, select the Western Digital WD Black SN770 1TB if your workflow demands high-speed data writing. This component is the better choice for users who need the substantial sequential write advantage provided by the drive to handle intensive tasks efficiently.