Publisher's description - Blackmagic Disk Speed Test 1.0
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Blackmagic Disk Speed Test is a small, simple, easy to use tool to quickly measure and certify your disk performance for working with high quality video!
Simply click the start button and Blackmagic 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.
NOTE: Blackmagic Disk Speed Test can only be downloaded via the Mac App Store (the download link redirects you to its App Store page). To purchase/download applications via the App Store an Apple account is required.