Once installed, using the tool is straightforward, but getting accurate results requires preparation.
Open the Mac App Store and search for "Blackmagic Disk Speed Test" . This version is free, easy to install, and supports both Intel and Apple Silicon Macs.
Need to check your Mac’s SSD, HDD, or external drive performance? is the go‑to free tool for measuring read/write speeds in real time.
If you are specifically looking for a (Disk Image) because you are on an older OS or prefer a standalone installer, you may need to visit the Blackmagic Design support center directly.
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