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ATTO Disk Benchmark

atto.com

Free plan WindowsmacOS
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Spec score 8.2 #5 of 29 in Disk Benchmark Software

What it is

ATTO Disk Benchmark measures read and write performance and I/O throughput for drives and storage systems. It can test hard drives, SSDs, RAID and storage controllers, and host adapters. Storage reached over a network or block connection can be measured through a file system. Tests may run continuously or capture snapshots, with adjustable transfer sizes and queue depths; multiple disks can be tested in one run. ATTO describes its file-system performance tests as non-destructive. Custom test profiles and command-line automation are supported, and results can be saved in BMK, TST or LOG formats or sent to print. Windows and macOS versions are listed: the Windows download page lists v5.00.3, while the macOS page lists v1.01. ATTO identifies drive manufacturers, IT professionals maintaining IT environments, and hardware review sites as users of its Windows benchmark. The utility is free. Technical support is available by email or contact form.

Spec sheet

Purpose
ATTO Disk Benchmark measures storage system performance, including performance in hard drives, solid state drives, and storage systems.Read 11 Oct 2026 · atto.com
Intended users
ATTO describes drive manufacturers, IT professionals maintaining IT ecosystems, and hardware review sites as users of its Windows benchmark.Read 11 Oct 2026 · atto.com
Free plan
YesRead 24 Sep 2026 · atto.com
Support
ATTO provides a technical support email address, [email protected], and a contact form for technical support.Read 11 Oct 2026 · atto.com
Headquarters
Amherst, New York, USARead 28 Sep 2026 · atto.com
Founded
1988Read 28 Sep 2026 · atto.com
Company
ATTO Technology says it was founded in 1988 and is headquartered in Amherst, New York.Read 11 Oct 2026 · atto.com
Devices tested
ATTO says the benchmark can test OEM RAID controllers, storage controllers, host adapters, hard drives, and SSDs.Read 11 Oct 2026 · atto.com
macOS release
The macOS download page lists Disk Benchmark version v1.01.Read 11 Oct 2026 · atto.com
Multiple disks
The benchmark supports testing multiple disks in each test.Read 11 Oct 2026 · atto.com
Non-destructive tests
The feature list describes performance testing on a file system as non-destructive.Read 11 Oct 2026 · atto.com
Operating systems
WindowsRead 24 Sep 2026 · atto.com
Security and compliance
ATTO’s compliance page links to its privacy policy and states that the company is ISO 9001:2015 certified.Read 11 Oct 2026 · atto.com
Storage access
It can measure network or block storage performance via a file system.Read 11 Oct 2026 · atto.com
Test controls
It can capture snapshots or run continuous benchmarks and supports variable transfer sizes and queue depths.Read 11 Oct 2026 · atto.com
Windows release
The Windows download page lists benchmark version v5.00.3.Read 11 Oct 2026 · atto.com
Workload areas
storage read performance; storage write performance; I/O throughputRead 24 Sep 2026 · atto.com

Plans and prices

ATTO Disk Benchmark Free Windows and macOS downloads Read 11 Oct 2026 · atto.com

Every ATTO Disk Benchmark plan and price →

Strong points and limits

Strong points

  • Tests read, write and I/O throughput
  • Adjustable transfer sizes and queue depths
  • Supports custom profiles and command-line automation
  • Exports BMK, TST and LOG results

Limits

  • Listed Windows release is v5.00.3
  • Listed macOS release is v1.01

Who it suits

It suits drive manufacturers, IT professionals and hardware review sites that need storage-performance measurements. Custom profiles, automation and multiple-disk testing may also suit repeatable benchmark workflows.

Verdict

ATTO Disk Benchmark focuses on storage performance, with adjustable tests, automation and several result-export options. It is free and listed for Windows and macOS.

Where Specifiction places it

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