The Seagate FireCuda 540 2TB is the objective winner of this comparison, securing a lead in four out of seven measured specifications. Its most significant technical advantage is a 45% higher sequential write speed compared to the competition. While the Samsung 990 Pro 4TB falls behind in the majority of categories, it remains a viable alternative for users prioritizing storage volume, as it offers a 100% greater capacity than the Seagate drive.

Choose the Seagate FireCuda 540 2TB if your primary requirement is superior sequential write performance for demanding data operations. Conversely, select the Samsung 990 Pro 4TB if your workflow necessitates the maximum available storage space. By weighing the importance of write speed against the need for doubled capacity, you can determine which of these two storage solutions better aligns with your specific hardware requirements.