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D-Bench

diskbenchmark.github.io

Free plan Windows
Visit diskbenchmark.github.io
Spec score 7.7 #11 of 29 in Disk Benchmark Software

What it is

D-Bench is a free Windows utility for measuring read and write performance on SSDs, HDDs, NVMe drives, and USB storage. It reports throughput in MB/s, IOPS, and average latency, with read and write throughput separated. Workloads can be sequential or random, with configurable block size, queue depth, and thread count. HDD, SSD, and Flash Drive presets offer starting points; additional controls include access pattern, read/write mode, read percentage, duration, warm-up, and cool-down. The drive selector shows ready drives with letter, volume label, free space, and total capacity. Tests can be added, updated, removed, reordered, duplicated, or cleared. Results export to plain TXT or styled, self-contained HTML reports. D-Bench uses unbuffered I/O and disables operating-system read caching for write tests as much as possible. Downloads are offered in Default, Blue, and Red themes. One build supports Windows 8, 8.1, 10, and 11; another supports Vista and 7. The download is approximately 470 KB, and the utility has no command-line interface.

Spec sheet

Purpose
D-Bench is a free Windows utility for measuring read and write performance of SSDs, HDDs, NVMe drives and USB storage.Read 1 Oct 2026 · diskbenchmark.github.io
Free plan
YesRead 20 Sep 2026 · diskbenchmark.github.io
Support
The homepage links to GitHub Sponsors so users can support the author.Read 1 Oct 2026 · diskbenchmark.github.io
Caching behavior
The program uses unbuffered I/O and disables OS read caching for write tests as much as possible.Read 1 Oct 2026 · diskbenchmark.github.io
Drive selection
The drive dropdown lists ready drives with drive letter, volume label, free space and total capacity.Read 1 Oct 2026 · diskbenchmark.github.io
Maker location
The GitHub profile for Ari Sohandri Putra lists Indonesia as the location.Read 1 Oct 2026 · github.com
Presets
It includes HDD, SSD and Flash Drive workload presets.Read 1 Oct 2026 · diskbenchmark.github.io
Report export
Benchmark results can be saved as plain TXT files or styled, self-contained HTML reports.Read 1 Oct 2026 · diskbenchmark.github.io
Reported metrics
It reports throughput in MB/s, IOPS and average latency, including separate read and write throughput.Read 1 Oct 2026 · diskbenchmark.github.io
Supported Windows
Two builds are provided: one for Windows 8, 8.1, 10 and 11, and another for Windows Vista and 7.Read 1 Oct 2026 · diskbenchmark.github.io
Test controls
Users can configure block size, queue depth, thread count, access pattern, read/write mode, read percentage, duration, warm-up and cool-down.Read 1 Oct 2026 · diskbenchmark.github.io
Test management
The settings window supports adding, updating, removing, reordering, duplicating and clearing tests.Read 1 Oct 2026 · diskbenchmark.github.io
Themes
Downloads are available in Default, Blue and Red themes.Read 1 Oct 2026 · diskbenchmark.github.io
Workloads
The tool runs sequential and random I/O workloads with configurable block sizes, queue depths and thread counts.Read 1 Oct 2026 · diskbenchmark.github.io

Plans and prices

Free Free Windows 8/8.1/10/11 or Vista/7 · approximately 470 KB download · Default, Blue or Red themes Read 1 Oct 2026 · diskbenchmark.github.io

Every D-Bench plan and price →

Strong points and limits

Strong points

  • Measures throughput, IOPS, and average latency.
  • Supports sequential and random I/O tests.
  • Exports TXT and self-contained HTML reports.
  • Includes HDD, SSD, and Flash Drive presets.
  • Free plan at free.

Limits

  • Windows only.
  • No command-line interface.
  • Write-test read caching is disabled only as much as possible.

Who it suits

D-Bench suits Windows users who want configurable read and write storage benchmarks with exportable results. Its listed builds cover Windows Vista through 11.

Verdict

D-Bench offers detailed workload controls and multiple report formats in a small Windows utility. Users needing command-line operation should note that no CLI is provided.

Where Specifiction places it

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