The Samsung 870 EVO 500GB is the objective winner of this comparison, securing victories in three out of five evaluated specifications. Its most significant advantage is a sequential read speed that is 195% better than the alternative. This performance lead establishes the drive as the superior choice for tasks requiring rapid data access and responsiveness. While the Seagate Barracuda 4TB falls behind in speed, it maintains a clear lead in storage capacity, which is 700% better than the competitor.

Users prioritizing system speed and quick file retrieval should select the Samsung 870 EVO 500GB for their primary storage needs. Conversely, the Seagate Barracuda 4TB is the appropriate choice for individuals who require massive amounts of space for large file libraries and long-term data archiving. Choosing between these two components depends entirely on whether your specific workflow demands the high-speed performance of the former or the expansive capacity offered by the latter.