Cloud storage pricing: The cost of a hypothetical month of cloud data storage

Check out this hypothetical cloud data storage scenario for insight into the monthly charges for an organization to store and access data in the cloud.

Assume that an organization wants to store non-structured user data (documents, spreadsheets, etc.) in the cloud,...

starting with a 5 TB footprint in the first month. They will perform reads on 5% of the data per month, and writes on 3% of the data per month.

The growth rate of the data footprint in the cloud is expected to be 2% per month (these rates have been conveniently chosen to allow for the use of a dedicated T1 line for accessing data in the cloud). The cost per GB is $0.25 per month, and the cost per GB transferred is $0.10. For the sake of simplicity, metadata operations won't be charged.


Month 1  
Dedicated T1 line charge $200
Base storage charge for 5,120 GB $1,280
Cloud data transfer charges (reads/writes/adds) $51.20
Total charges for Month 1 $1,531


Month 2  
Dedicated T1 line charge $200
Base storage charge for 5,222 GB $1,306
Cloud data transfer charges (reads/writes/adds) $52.22
Total charges for Month 2 $1,558

Estimated cost to initially load 5,120 GB based on per-hour charge of $2.49 using USB 2.0 data rates: $62.25 (25 hours at 60 MB/sec sustained)

Learn more about the hidden costs of cloud storage.

This was last published in January 2010

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