The Seagate FireCuda 540 2TB is the objective winner of this comparison, securing more individual specification victories than its counterpart. While both drives share several identical technical attributes, the 2TB model provides the most significant advantage by offering 100% more storage capacity than the smaller version. Conversely, the Seagate FireCuda 540 1TB maintains a distinct edge in affordability, boasting an MSRP that is 42% better than the higher-capacity option.

Users who prioritize maximum storage space for large libraries or extensive data sets should choose the Seagate FireCuda 540 2TB to take advantage of its doubled capacity. Those operating under a stricter budget who do not require the extra room should opt for the Seagate FireCuda 540 1TB, as it delivers the same core performance specifications at a 42% better price point. Both drives remain viable choices depending on whether your priority is total capacity or cost efficiency.