Main Window

Main Window

How to start Benchmark

1. Select Number of Test Runs, Test Size and Test Drive.

2. Click "All" button (or "Seq Q32T1", "4K Q32T1", "Seq", "4K" button) to start Benchmark.

Test Types

You can customize the number of Queues & Threads from "Settings > Queues & Threads" menu.


DiskSpd command line options

QQQ: Number of queues, TTT: Number of threads, WWW: Read=0, Write=100


Test Time and Warmup Time: 5s

Number of Test Runs

1~9. Default value is 5.

Test Size

50MiB, 100MiB, 500MiB, 1GiB, 2GiB, 4GiB, 8GiB, 16GiB and 32GiB.

Default value is 1GiB. But it may be too large for low speed storage (USB memory etc...), so you should choose small size.

Test Drive

C:\, D:\ and etc... CrystalDiskMark is required Drive Letter for benchmark.