The Samsung 9100 Pro 4TB is the objective winner of this comparison, securing more total spec victories than its counterpart. While both drives share several identical technical specifications, the 4TB model provides the most significant performance advantage by offering 300% more storage capacity. Conversely, the Samsung 9100 Pro 1TB holds a distinct edge in affordability, boasting an MSRP that is 67% better than the higher-capacity version, making it the more cost-effective option for budget-conscious users.

Users who prioritize maximum storage space for large libraries or extensive data sets should select the Samsung 9100 Pro 4TB to leverage its superior capacity. This drive is ideal for those requiring significant room for files. Alternatively, the Samsung 9100 Pro 1TB is the better choice for individuals who want to minimize their initial expenditure while still obtaining the core features of the product line, as it offers a much more favorable price point.