The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing four out of six total specification categories. Its most impactful advantage is the sequential read speed, which outperforms the alternative by 2543 percent. While the Samsung 870 EVO 500GB maintains a lead in one category, the superior throughput offered by the 9100 Pro 4TB establishes it as the more capable hardware solution across the majority of measured metrics.

Users who prioritize maximum data throughput and high-capacity storage should select the Samsung 9100 Pro 4TB for their system. Conversely, the Samsung 870 EVO 500GB is the appropriate choice for budget-conscious buyers, as it holds a 92 percent advantage in MSRP. Choosing between these two components depends entirely on whether your primary requirement is the significant speed increase provided by the 9100 Pro or the cost efficiency offered by the 870 EVO.