Hardware • Storage Performance IOPS • Seek Latency • Queue Depth • Throughput MB/s

Storage IOPS & Throughput Calculator

Estimate random 4K IOPS, rotational latency, and continuous throughput across SAS mechanical hard drives, SATA SSDs, and Gen4/Gen5 NVMe storage.

Storage Media Type

Drive Count in Array

I/O Block Size

Read / Write Ratio

Read: 70% Write: 30%

Aggregate Random 4K IOPS

3,200,000

800,000 IOPS per drive × 4 drives

Theoretical Bandwidth: 12,800 MB/s (12.8 GB/s)

Average Access Latency: < 0.03 ms (Microsecond flash)

Read / Write Split: 2,240,000 R / 960,000 W