Which factor does not affect the pricing of S3 storage?

The pricing of Amazon S3 (Simple Storage Service) is influenced by several factors, and understanding these can help optimize costs. Among the options, data redundancy across regions does not affect the pricing of S3 storage directly.

When you choose to store data across multiple regions for redundancy, you are essentially ensuring higher availability and durability of your data. However, this redundancy itself is reflected in the pricing of data transfer and storage only when you consider the costs associated with storing data in separate regions. In practice, the costs are set to facilitate the fundamental storage offering, which encompasses the essentials like the volume of data stored, but the choice of redundancy across regions is primarily an operational consideration for data durability rather than a direct pricing factor.

In contrast, factors like data retrieval frequency, data being moved between storage classes, and the size of the data stored all have clear implications on costs. For example, frequently accessed data incurs different rates compared to infrequently accessed data, and transferring data across storage classes can trigger additional charges. Similarly, larger data sizes result in higher storage costs simply due to the scale of what is being stored. Thus, focusing on pricing directly linked to the fundamental aspects of storage allows for better planning and implementation of cost-effective storage strategies.