CrystalDiskMark for Linux is the definitive storage performance measurement
utility for SSDs, HDDs, NVMe drives, and USB drives.
Key Features:
- Sequential Read/Write tests: SEQ1M Q8T1 and SEQ1M Q1T1 (1MiB blocks).
- Random Read/Write tests: RND4K Q32T1 and RND4K Q1T1 (4KiB blocks).
- Test profiles: Default, Peak Performance, and Real World.
- Multi-threaded direct I/O execution with live transfer speed meter.
- Target directory / mount point selector.
- 100% genuine disk benchmarking with zero mock data.
Built with PyQt5 on Ubuntu Core 22 by TC Studio.