The Crucial MX500 2TB is the objective winner of this comparison, securing more category wins across the evaluated specifications. Its most significant advantage is its storage capacity, which is 100% greater than that of the alternative. While the Samsung 990 Pro 1TB offers a substantial 1253% lead in sequential write speeds, the overall balance of the evaluated metrics favors the higher-capacity drive for general utility.

Users who prioritize maximum storage space for large libraries or extensive file collections should choose the Crucial MX500 2TB. Conversely, those who require the highest possible sequential write performance for specific data-intensive tasks should select the Samsung 990 Pro 1TB. Your decision should depend on whether your primary requirement is doubling your available capacity or achieving the massive speed advantage provided by the latter drive.