wmarow’s iops calculator – http://omnitech.net/iops/
This tool is used to calculate the performance and capacity of disk drives, disk arrays and SSD arrays. Based on the parameters of drives, their quantity in the array, RAID level and nature of workload calculates the number of average random IOPS and actual capacity of the array.
Veeam – The Restore Point Simulator – http://rps.dewin.me
Restore Point Simulator for Veeam Backup & Replication. Veeam Backup & Replication is a powerful, easy-to-use and affordable backup and Availability solution.