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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

Version 2.2:
  • New graphics for Retina display support


Mac OS X 10.6.6 or later

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Blackmagic Disk Speed Test User Discussion

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Mosenga Member IconReview+5

version after 2.1 not reliable with SSD because is not considering firmware compression algorithms. performances measured are 50% of real speed. :-(

Reply2 replies
Version 2.2
Mikael B

Black Magic says you're delusional. From the Mac App store:
"Some SSD's use hidden compression when writing data to make their benchmarked speeds appear faster. Disk Speed Test will now measure the true speed of these SSD's so you know if they are suitable for high quality uncompressed video capture."


Delusional is your answer after almost one Y :-)

Eyeful Member IconComment+0

No way to download this. Link goes to the "App Store" whereupon clicking it opens iTunes and puts a blank file into the music folder. There is nothing on the developer's site that even mentions this freeware.

Reply0 replies
Version 2.1
Dom-B Member IconReview+0

Does what it says... although would be nice to read/write multiple test files at the same time to test stream playback.

Reply0 replies
Version 1.0
user icon+198
Version 2.2
user icon+0
Version 2.1
user icon+198
Version 2.1
> 4 5


Current Version (2.x)


Downloads 123,574
Version Downloads 103,625
Type Utilities / System
License Free
Date 25 Oct 2012
Platform OS X / Intel 32
Price Free