You can easily detect when a device is performing subpar and, and with the spinning disk, you can see is transfer speeds deteriorates over time. I have run Blackmagic on USB 2, thumb drives, USB 3, and USB C devices to see if I’m getting my money’s worth. On an older MacBook Pro the rates I see are 500 MB/S both read and write, as you would expect. I have tried this on my older mackbooks with SSD and they do scale down as the device is older. On my 2016 MacBook Pro, I am seeing speeds like 1,000+ MB/s write, and 1100+ MB/S read. Home System Utilities System Blackmagic Disk Speed Test Download. The app is developed by Blackmagic Design Inc. It is a perfect match for Benchmark in the System Tools category. Since the “volume” is on your Startup Disk, you will see how fast it drive is. The latest version of Blackmagic Disk Speed Test is 3.2 on Mac Informer. In Blackmagic select the disk image mounted. Mount the volume (if it is not already mounted). Make it big enough for Blackmagic to work with (7+ GB) and name it what you will. Create a disk image (.dmg) using the disk utility specifying file->new image->blank image. Blackmagic Disk Speed Test has had 1 update within the past 6 months. I found a workaround that will report the rates of the Startup Disk. Download Blackmagic Disk Speed Test for Mac to measure and certify your disk performance when working with high quality video. When Blackmagic tries to read the Startup Disk, you get the message that the device is not writeable, hence you cannot rate the the transfer rates of the drive.

Blackmagic has been updated to adequately report the speed of SSD devices. 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.

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