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Due to the high dimensionality of AWS file system pricing, it is difficult to make a perfect cost comparison between file systems. However, it is possible to chart the cost ranges from absolute minimum to absolute maximum. In this context, we can look at relative cost ranges one might expect to pay on a monthly basis to store 100 TB of data.

Monthly cost to store 100 TB

Cost comparison

FlexFS has a low expected monthly cost relative to EFS and FSx for Lusture, and much better price predictability.