Alternatives to fio

A flexible command-line I/O tester for benchmarking and stress-testing storage devices. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as fio.

  • DiskSpd

    Microsoft's command-line storage load generator for benchmarking disk performance on Windows.

    FreeOpen sourceWindowsCommand line

    DiskSpd is Microsoft's configurable command-line load generator with XML profiles and results, and it runs on Windows instead of Linux.

  • KDiskMark

    A graphical disk benchmark for Linux that runs fio tests and shows easy-to-read results.

    FreeOpen sourceLinux

    KDiskMark puts a simple graphical interface over fio on Linux, trading fio's job-file flexibility for easy-to-read preset tests.

  • CrystalDiskMark

    The standard Windows disk benchmark, measuring sequential and random read and write speeds in a few clicks.

    FreeOpen sourceWindows

    CrystalDiskMark is a Windows-only graphical benchmark with sequential and random tests in a few clicks, but far fewer workload options than fio.

  • ATTO Disk Benchmark

    A free benchmark from ATTO Technology for measuring storage read and write performance.

    FreeProprietaryWindows

    ATTO Disk Benchmark is a free proprietary Windows tool for quick read and write speed tests, without fio's configurable job files or latency detail.

  • AS SSD Benchmark

    Quick Windows benchmark tool for testing SSD read and write speeds.

    FreeProprietaryWindows

    AS SSD Benchmark is a free closed-source Windows tool focused on quick SSD speed tests, with a much narrower feature set than fio.

Similar software

Related functionality, not a direct replacement.