Junk

If youre looking for a tool to confirm how fast your storage is, this one is useless.

On my 2015 15" retina MBP, write line just goes to 45MB/s then the read line goes to 15MB/s neither of which are accurate for this drive.

Works fine for a USB drive connected, which is reporting about 250MB/s

Basementjack about Blackmagic Disk Speed Test