The Samsung 990 Pro 4TB with Heatsink and the Seagate FireCuda 530 2TB are objectively tied in this comparison, as each component leads in two out of seven measured specifications. The most impactful advantage for the Samsung 990 Pro 4TB with Heatsink is its capacity, which is 100% better than the alternative. Conversely, the Seagate FireCuda 530 2TB holds a significant lead in its MSRP, which is 53% better than the Samsung model.

Users who prioritize maximum storage space should select the Samsung 990 Pro 4TB with Heatsink to take advantage of its superior capacity. Those who are more focused on the initial cost of the drive should choose the Seagate FireCuda 530 2TB, as it offers a 53% better MSRP. Because both drives share identical performance in three categories and split the remaining spec wins, the final decision rests entirely on whether you value total storage volume or lower acquisition costs.