File
Copy
Copy the result of benchmark to the clipboard.
Save (text)
Save the result of benchmark to file(UTF-16LE w/ BOM).
Save (image)
Save as image (PNG, JPEG, BMP).
Exit
Exit application.
Settings
Test Data
- Random
- All 0x00 (0 Fill)
*In a part of SSD, the result depends on test data(random, 0fill).
Default
Changed to Default Settings
NVMe SSD
Changed to NVMe SSD Settings
Settings
Open Settings dialog.
![](https://crystalmark.info/en/wp-content/uploads/sites/3/CDM8Settings-en.png)
Default (Settings > Default)
- Sequential: Block Size=1MiB, Queue=8, Thread=1
- Sequential: Block Size=1MiB, Queue=1, Thread=1
- Random: Block Size=4KiB, Queue=32, Thread=1
- Random: Block Size=4KiB, Queue=1, Thread=1
NVMe SSD (Settings > NVMe SSD)
- Sequential: Block Size=1MiB, Queue=8, Thread=1
- Sequential: Block Size=128KiB, Queue=32, Thread=1
- Random: Block Size=4KiB, Queue=32, Thread=16
- Random: Block Size=4KiB, Queue=1, Thread=1
Profile
Default
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8default_en.png)
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8NVMe_en.png)
Peak Performance
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8Peak_en.png)
Real World Performance
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8Real_en.png)
Demo
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8Demo_en.png)
Default [+Mix] (for Standard Edition)
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8NVMeMix_en.png)
Peak Performance [+Mix] (for Standard Edition)
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8PeakMix_en.png)
Real World Performance [+Mix] (for Standard Edition)
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8RealMix_en.png)
Theme
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8NVMeDark_en.png)
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8NVMeFlower_en.png)
![](http://crystalmark.info/en/wp-content/uploads/sites/3/CrystalDiskMark8NVMeDarkRed_en.png)
Zoom
Select zoom ratio.
Font Setting
Select Font Face, Scale and ClearType settings.
![](https://crystalmark.info/en/wp-content/uploads/sites/3/CDM8FontSetting-en.png)
Help
Help
Open manual page.
About CrystalDiskMark
Show about window.
Crystal Dew World [Web]
Open Crystal Dew World.
Language
Switch the language.