Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high quality video! Simply click the start button and Disk Speed Test will write test your disk using large blocks of data, and then display the result. Disk Speed Test will continue to test writes and reads from your disk so you can evaluate both performance and readability over time.

What’s New

Version 3.3

Add support for M1 powered Macs.

Ratings and Reviews

3.1 out of 5
29 Ratings

29 Ratings

EssentialSound ,

Works fine

Everything fine on MacBook Air High Sierra.
The app can be useful if you want to check what is the capability of your external drive. Especially in terms of working with different video formats and resolutions.

archiforma ,

Do not work on OS X 10.7.5 - Crashes before start !

Crashes before start - Mac OS X 10.7.5!! why???

MrFrank74 ,

Useful Speed Test Application

It works perfectly fine on MacBook Pro 13 retina early 2015 with Big Sur OS

App Privacy

The developer, Blackmagic Design Inc, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.