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

H2testw

Data integrity test for USB sticks and other media An advantage over other tools is, that it does not need administrative rights to access the device - but it should...

Free Windows

USBDeview

Compare read and write speed of USB Flash drives: USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB...

Free Windows

Check Flash

Check Flash is a tool for testing and formatting flash-drives. It can be used to clean eny evidence of activity on your flash drive by formatting it.With Check Flash you...

Free Windows

Xbench

Xbench was developed by Spiny Software to provide a comprehensive benchmarking solution for Mac OS X. Xbench is useful not only for comparing the relative speeds of two...

Free Mac

HD Speed

Measures both sustained and burst data transfer rates of your hard disks, cd/dvd-roms, flash cards/sticks, floppys, etc. Realtime graphical display.

Free Windows

Flash Memory Toolkit

Flash Memory Toolkit is a small package which has some very useful options like file recovery, benchmark and error scanning. Key features Supports flash memory...

• Discontinued The program seems to be no longer updated. Last version, 2.01, released in June 2011, can be still bought from the official website.

Freemium Windows

QuickBench

QuickBench is a simple to use but powerful hard disk performance benchmarking tool. It provides three built-in, industry trusted test suites which measure the...

Commercial Mac Windows

SpeedOut

Really easy to use application: just one button 2 go. SpeedOut is an application, created for calculating USB drive (stick or external HDD) read/write speed. It is using...

Free Windows

diglloydTools DiskTester

DiskTester is a 64-bit application which tests drive performance and reliability for single volumes or RAID. Some highlights: * The fill-volume command is your smart...

Commercial Mac

Disk Throughput Tester

Disk Throughput Tester measures a disk's thruput under 32-bit Windows.

• Discontinued The product is no longer available on the official website, but last version, 2.2.15.215, released on June 7th, 2012, can be still downloaded from Softpedia.

Free Windows

CapacityTester

Tool to test a USB drive or memory card to find out if it's a fake. The tool performs a simple test to determine if the full capacity is usable or not. All it does...

Free Open Source Linux