The Corsair MP700 Pro 4TB PCIe Gen5 NVMe M.2 SSD is the objective winner of this comparison, securing more individual specification victories than its counterpart. While both drives share several identical technical characteristics, the 4TB model provides a significant advantage in long-term reliability. Specifically, the Corsair MP700 Pro 4TB PCIe Gen5 NVMe M.2 SSD offers a 114% improvement in endurance measured in total bytes written compared to the 2TB version.

Users who prioritize maximum data longevity and write-heavy workloads should choose the Corsair MP700 Pro 4TB PCIe Gen5 NVMe M.2 SSD to take advantage of its superior endurance rating. Conversely, the Corsair MP700 Pro 2TB is the better option for budget-conscious buyers, as it holds a 74% advantage in MSRP. Selecting between these two drives depends entirely on whether your primary requirement is a lower initial cost or a higher capacity for sustained write operations.