The Samsung 990 Pro 4TB is the objective winner of this comparison, securing more category wins across the evaluated specifications. Its most significant advantage over the competition is its storage capacity, which is 100% better than that of the alternative. While the Crucial T500 2TB holds its own in specific metrics, the superior total volume offered by the Samsung 990 Pro 4TB makes it the more robust choice for users requiring extensive data retention.

Users who prioritize maximum storage space should select the Samsung 990 Pro 4TB to take advantage of its doubled capacity. Conversely, the Crucial T500 2TB is the better option for budget-conscious buyers, as it offers a 54% advantage in MSRP. Choosing between these two drives depends entirely on whether your primary requirement is the largest possible footprint for your files or a more cost-effective entry point for your system storage.