Download the DMG, run the test, and let the data tell you if your storage is the bottleneck.
Older versions of Disk Speed Test may crash. Download the latest version (3.4 or higher), which has native Apple Silicon support. If it still crashes, run the app using Rosetta (Right-click app > Get Info > Check "Open using Rosetta"). Blackmagic Disk Speed Test Dmg Download
Blackmagic Disk Speed Test is . It sits in every professional video editor's Applications/Utilities folder. If you are troubleshooting slow renders, choppy playback, or long file transfers, don't guess. Download the DMG, run the test, and let
Note for macOS Catalina or later: You may see a warning: “Disk Speed Test can’t be opened because Apple cannot check it for malicious software.” This is normal for unsigned apps. Go to and click “Open Anyway.” If it still crashes, run the app using