A little more polish please

Decent looking graphics, still lacks some functionality that would be expected.

Selecting a drive without having to navigate to a path that this app can write to. Especially your own HD thats your root… and if you dont cancel out and find out the hard way about this defect you cant remember what its default path was
UI should have minimal option for the supergiant odometers.
More reporting at the bottom than just video format and r/w potential at that resolution. Files sizes-performance chart, a real time graph rather than giant odometers?

Still, its pretty good

E-M-P about Blackmagic Disk Speed Test, v2.1