CrystalDiskMark

CrystalDiskMark is a small HDD benchmark utility for your hard drive that enable you to rapidly measure sequential and random read/write speeds.

Free Open Source Windows PortableApps.com

HD Tune

HD Tune is a hard disk / SSD utility with many functions. It can be used to measure the drive's performance, scan for errors, check the health status (S.M.A.R.T.)...

Freemium $ $ $ Windows

UserBenchMark

Still hankering for the day that you pulled your new PC out of the box, plugged it in and it just worked? UserBenchmark is a free all-in-one benchmarking application....

Free Windows

AS SSD Benchmark

With AS SSD Benchmark you can determine your SSD drive's performance by conducting several specific tests. Test the sequential or random read/write performance...

Free Windows

fio

Generate I/O for benchmarking, stress testing, verification or workload reproduction purposes.

Free Open Source Mac Windows Linux BSD

Blackmagic Disk Speed Test

Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high quality video! Simply click the start button and Disk...

Free Mac

Diskspd

A feature-rich and versatile storage testing tool, Diskspd (version 2.0.17) combines robust and granular IO workload definition with flexible runtime and output options...

Free Open Source Windows

Macrorit Disk Scanner

Macrorit Disk Scanner is a third party disk surface portable tool for scan disk bad sectors which provides you with better options and better performance than Windows...

Free Windows

ATTO Disk Benchmark

The ATTO Disk Benchmark performance measurement tool is compatible with Microsoft Windows. Measure your storage systems performance with various transfer sizes and test...

Free Windows

IOzone

IOzone is a filesystem benchmark tool. The benchmark generates and measures a variety of file operations. Iozone is useful for performing a broad filesystem analysis...

Free Open Source Mac Windows Linux BSD

Vdbench

Vdbench is a disk and tape I/O workload generator for verifying data integrity and measuring performance of direct attached and network connected storage on Windows...

Free Open Source Windows Linux

SQLIO

SQLIO is a tool provided by Microsoft which can also be used to determine the I/O capacity of a given configuration.

• Discontinued Replaced by Microsoft's open source utility Diskspd. See http://alternativeto.net/software/diskspd/

Free Windows

DiskMark

Test the performance of your flash (pen/usb), solid state, hard disk drives in just 60 seconds.

Commercial $ $ $ Mac

Cold-cache Sequential I/O Benchmark

CCSIO Benchmark measures maximum sequential read/write speed that is realistically achievable for a given file system location, including local drives, remote network...

Free Windows

Load DynamiX

2U load generation appliance, also runs under a VM, A leading commercial performance validation product for networked storage infrastructure. We help companies reduce...

Commercial Windows Self-Hosted