Enter . Why This Specific Tool? Unlike bloated "system optimizer" tools, Blackmagic Disk Speed Test was built by Blackmagic Design (the makers of DaVinci Resolve and the URSA cameras). It solves one problem and solves it perfectly: Measuring sustained read/write performance for video workloads.
Whether you just unboxed a new NVMe SSD, formatted an external RAID, or plugged in a USB-C flash drive, you need hard numbers. You don’t need hype. You need to know if that drive will drop frames during 8K playback.
Download the DMG, run the test, and let the data tell you if your storage is the bottleneck.
If you edit video, work with large RAW photo libraries, or manage massive databases, you have probably asked yourself one crucial question: "Is my drive fast enough?"
