Blackmagic Disk Speed Test
Blackmagic Disk Speed Test
Measure disk performance for video work.
Free
Absolutely Free
Blackmagic Disk Speed Test overview
Blackmagic 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 in version 3.4.2
Updated on Aug 03 2022
- Improve consistency across read tests
Information
App requirements
- Intel 64
- Apple Silicon
- macOS 10.13 or later
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User Ratings
Feb 5 2019
Version: 3.2
it worked well before...
but now, under High Sierra, it won't open. Nothing happens... :-(
Jan 5 2019
Version: 3.2
Good tool to get a good result of the performance of attached drives
Jan 14 2016
Version: 2.2.2
Worked great under 10.10 Yosemite. Under 10.11 El Capitan, Blackmagic Disk Speed Test 2.2.2 reports every disk as locked, and therefore not testable. :-(
Mar 1 2015
Version: 2.2.2
Version 2.2.2 crashes instantly on OS X 10.6.8. You can fix this but I would say the solution is definitely NOT worth it.
First, download and install MacPorts (free open-source) for Snow Leopard from:
https://www.macports.org/install.php
Make sure you get the Snow Leopard one.
After MacPorts is installed, go to Applications > Utilities > Terminal and run the following command:
sudo port selfupdate
Then run the following command, which may take like an hour to compile:
sudo port install clang-3.3 -analyzer -python27
Then run the following command, which may also take like an hour to compile:
sudo port install libcxx +universal configure.compiler=macports-clang-3.3
After you've done all this, Blackmagic 2.2.2 will open properly again (and congratulations on your determination and patience).
Jan 17 2015
Version: 2.2.2
Ok, now that I've tried it, there appears to be no way to get a log of the test results. So how is one supposed to compare one disk with another? It reports multiple results for different kinds of video files and file sizes. It's not practical to write those results down by hand - or remember them. So BD's got a nice, fancy interface. But that's not enough by half. Without a reporting feature it's all but useless.
Dec 25 2014
Version: 2.2
This use to be my favorite app for testing the speed of disks. However, as of OS X 10.9.5, it can only test the start up drive. If I try to select another drive, the app FREEZES. You have to force quit it to stop it. And until you do, it can take up 100% of the CPU time of one of your Intel Cores. Unfortunately, this app hasn't been updated since October 25, 2012. it is now December 24, 2014. So this app has gotten old. And it has developed incompatibility with the latest OS X.
Nov 3 2012
Version: 2.2
version after 2.1 not reliable with SSD because is not considering firmware compression algorithms. performances measured are 50% of real speed. :-(
Jun 6 2011
Version: 1.0
Does what it says... although would be nice to read/write multiple test files at the same time to test stream playback.
Free
Absolutely Free
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