The Samsung 9100 Pro 8TB is the objective winner of this comparison, securing more spec victories than its competitor. Its most impactful advantage is its storage capacity, which is 300% better than that of the alternative. While the Lexar NM1090 Pro 2TB holds its own in two categories, it ultimately falls behind in the majority of measured specifications, despite offering a 69% better MSRP advantage.

Users who prioritize maximum storage space should choose the Samsung 9100 Pro 8TB for its superior capacity. Conversely, the Lexar NM1090 Pro 2TB is the better option for budget-conscious buyers who want to take advantage of its significantly lower MSRP. Selecting between these two drives depends entirely on whether your primary requirement is high-volume data storage or minimizing your initial expenditure.