Disk I/O & IOPS Calculator
Predict functional IOPS based on workload ratios and RAID write penalties.
Drive Type (Base Performance)
7.2K RPM HDD (~80 IOPS)
10K RPM SAS HDD (~130 IOPS)
15K RPM SAS HDD (~180 IOPS)
SATA SSD (~5,000 IOPS)
SAS SSD (~15,000 IOPS)
NVMe SSD (~100,000+ IOPS)
Number of Physical Drives
RAID Level (Write Penalty)
RAID 0 / RAID 1 (Penalty: 1)
RAID 10 (Penalty: 2)
RAID 5 (Penalty: 4)
RAID 6 (Penalty: 6)
Read/Write Ratio:
70
% Read /
30
% Write
Write Heavy
Balanced
Read Heavy
Raw Total IOPS
--
Functional IOPS
--
Export Technical Graphic