Last Updated on April 22, 2024

USB drives are a popular storage device. However, not all USB drives are the same or compatible. For instance, there is a difference in speed between USB 2.0 and 3.0. Also, the market is flooded with fake USB products that have poor quality and falsely advertised “high capacity” with slow speeds. Here's an analysis report from a link manager on a counterfeit USB:

Researchers have found that some USB flash drives have only half, or even a quarter, of their advertised capacity, because the firmware has been altered. Fake USB devices also can take a long time (one to seven hours) to “write” data that is not actually stored. – Source: LinkedIn

A fake USB can severely impact USB performance. USB read speed can take 50 to 180 seconds to transfer data from a single 1GB file. You should use professional USB speed testing tools to see the exact USB read and write speeds. The Tools article lists the 10 best USB benchmark tools with their details.

Overview of the Top 10 USB Speed Test Tools

If you have USB, you can test its speed with the help of an USB Benchmark. This article will briefly introduce 10 USB speed testing tools. Each of them has been tested multiple times on the Windows platform and proved to offer the most comprehensive and accurate results. Every tester has its subtleties, and here is a brief comparison:

Comparison Test Data Supported Devices Additional Features

AOMEI Partition Assistant

  • Sequential and random read and write speed
  • I/O data
  • Latency data
  • SD card
  • USB
  • HDD, SSD
  • Other external/ internal hard drives
  • Check USB health status
  • Format USB
  • Partition USB
  • Fix USB errors
  • Manage USB

USB Flash Benchmark

  • Real-time read and write speed
  • Memory cards, SD cards
  • External hard drives
  • USB flash drives
  • View full information of USB

CrystalDiskMark

  • Sequential and random read and write
  • Flash drives
  • Hard drives
  • SSD
  • N/A

USBDeview

  • Sequential read and write speed
  • USB
  • SD cards
  • Play media files

Check Flash

  • Read and write speed
  • USB
  • Edit partitions
  • Check for errors

SpeedOut

  • Read and write speed
  • USB
  • N/A

RMPrepUSB

  • Sequential read and write speed
  • USB flash drives
  • Partition USB
  • Format USB

Flash Drive/Card Tester

  • Read and write data
  • USB
  • SD cards
  • Check for bad sectors

Parkdale

  • Random read and write speed
  • I/O data
  • USB
  • N/A

Flash Memory Toolkit

  • Read and write data
  • Flash drives
  • Scan for errors
  • Data recovery

In short, Partition Master is the most comprehensive USB tool. Other utilities can check your USB read and write speeds. For more detailed information on each product, keep reading. Meanwhile, remember to share this list with friends for reliable USB performance monitoring.

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Top 10 Best USB Speed Test Tools Recommendations and Downloads

Below, we have compiled a list of ten free USB speed testing tools. When choosing a USB tester, we also considered factors such as its ease of use, data accuracy, test reports, tested parameters, and software safety.

This part will help you weigh the pros and cons of each so that you can make an informed decision. Read on to choose the USB speed testing tool that's right for you.

1. Partition Master Tool

Tool Partition Master Free offers DiskMark for testing the speed of HDD, SSD, USB, and SD card. It is an all-in-one hard disk device manager that can also check the health of your hard drive, fix bad sectors, format it, and manage USB partitions, in addition to checking speed.

Tools

Here are the pros and cons of using this tool for USB speed testing:

Advantages Disadvantages
  • Straightforward interface, suitable for beginners.
  • Excellent compatibility, supporting all Windows systems.
  • Comprehensive features, testing sequential read/write speed, random read/write speed, I/O, and latency of USB devices.
  • Export of test data for editing and comparison is supported.
  • Some advanced features require payment.
  • Requires downloading additional programs.

Download link:

Here are some reviews of Partition Master from users on Lifewire:

Partition Master Free makes disk partitioning easy to understand and perform. The various options aren't overwhelming, and their names accurately describe what they do.

Don't forget to share this USB Monitor online with your friends, so they can also easily test their USB performance:

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2. USB Flash Drive Benchmarks

USB Flash Benchmark is an ideal portable tool for testing the speed of your flash drives, memory cards, SD cards, portable hard disks and other USB flash devices. It can perform a series of benchmarks from 1K to 16MB and presents the results in a graphical format.

USB flash benchmark

Note: The USB speed test will start with 16MB transfers, then continue with 1KB tests. This may take a few minutes; please be patient.

Here are the pros and cons of using USB flash drive benchmark tests:

Pros Cons
  • Delivers precise, specific test results.
  • Includes a wealth of USB testing information with a total of 15 tests.
  • Lets you view full details for the selected device, such as storage capacity, PID, VID, and vendor name.
  • Isn't compatible with newer flash drives and tends to crash.
  • The website for uploading and comparing results doesn't work.

Download link: https://usb.userbenchmark.com/

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#USB speed test#Check USB speed#Free

For more information on USB flash drive benchmarks, check out the review from Softpedia: Flash Benchmark.

Though the interface looks a bit cluttered, it's not difficult to navigate and understand. The tool lets you view real-time test data in both text and an intuitive graphical display. While read and write speeds are represented by red and green lines, it would be helpful if the app displayed the information more clearly.

3. CrystalDiskMark Testing

CrystalDiskMark is a popular speed testing tool that measures the exact transfer speeds of any flash drive, hard disk, or SSD. You can customize the test parameters, such as the number of times to run the test, the size of the data, and the drive to use. It offers three versions for download: portable, installer, and themed.

CrystalDiskMark

Note: Before you begin, consider lowering the test sizes to 50MB/100MB and the number of passes to 1 or 2, especially for slower USB drives.

Here are the pros and cons of using CrystalDiskMark: Pros: 1. **Ease of Use**: CrystalDiskMark has a straightforward and user-friendly interface, making it easy for both beginners and advanced users to perform disk benchmark tests. 2. **Comprehensive Testing**: It offers a wide range of test options, including sequential reads/writes and random 512K and 4K reads/writes, providing a comprehensive evaluation of your storage device's performance. 3. **Free Software**: The tool is available at no cost, which is an attractive feature for many users who want to test their drives without investing in expensive software. 4. **Multi-Platform Support**: CrystalDiskMark supports Windows, macOS, and Linux, allowing users on different operating systems to benefit from its functionality. 5. **Benchmark Comparability**: Results generated by CrystalDiskMark can be easily compared with others, as the tool is widely used and recognized in the industry. Cons: 1. **Limited Customization**: While it offers several standard test options, CrystalDiskMark doesn't provide extensive customization for more specialized or tailored benchmarking scenarios. 2. **Not Real-World Representative**: The benchmark tests performed by CrystalDiskMark may not always reflect real-world usage patterns, as they are synthetic and focused on maximum performance. 3. **Inconsistency with Some Drives**: Some users have reported inconsistent results with specific drive models, which could lead to confusion or inaccurate assessments. 4. **No Continuous Testing**: The tool doesn't offer continuous or long-term monitoring of drive performance, which might be useful for tracking changes over time. 5. **Lack of Advanced Features**: Advanced users might find CrystalDiskMark's features limited compared to other professional-grade benchmarking tools that offer more in-depth analysis and diagnostic capabilities.

Pros Cons
  • Customizable test parameters
  • Advanced options for threads and queues
  • Quick and easily understandable results
  • Might shorten the lifespan of SSDs/USB drives
  • Benchmarks from different versions aren't compatible

Download link: https://crystalmark.info/en/software/crystaldiskmark/

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#CrystalDiskInfo#Hard Drive Speed Monitoring#Testing USB Speed#Free

For more information about CrystalDiskMark, we've selected an article from Reddit for your reference:

CrystalDiskMark is a fairly quick and straightforward disk benchmarking tool that's very easy to use. It helps you quickly check if your storage performance is in order.

4. USBDeview

USBDeview is a portable tool provided by Nirsoft that lets you view a list of USB devices and check the transfer speed of any USB flash drive (such as external hard drives, phones, SD cards, etc.). Additionally, it allows you to uninstall any USB device that has been currently or previously connected to your computer.

usbdview

The pros and cons of using USBDeview for testing flash drive speed are as follows:

Advantages Disadvantages
  • Allows analyzing benchmark results and comparing them with data from the Nirsoft website.
  • Grades sequential read and write tests.
  • Supports autoplaying media files from USB drives.
  • Complicated interface, not beginner-friendly.
  • Only provides single USB read and write speed measurements.

Download it from http://www.nirsoft.net/utils/usb_devices_view.html .

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#Monitor USB speed#Test USB performance#Free

For more information about USBDeview, see the following review on Snapfiles:

Most of his software is really useful – I just wish he'd bundle all his programs together in one app – it would make a great toolbox!

5. Check the Flash

Check Flash is a utility designed for users to test and format USB flash drives. It offers various features such as checking speed, editing partitions, saving images, and more. Its primary function is to detect any potential errors that might exist on the flash drive. Performing a USB speed test is an additional feature it provides.

Check Flash

Here are some pros and cons of Check Flash:

Pros Cons
  • Supports various access types: temporary file, read and write test as a logical drive or physical device.
  • Saves drive stability tests to disk.
  • Displays drive mapping with the number of tested and remaining sectors.
  • Works only with USB, doesn't support other external storage devices.
  • Only allows testing read and write speeds for USB drives.
  • Takes some time to test an empty USB drive.

Download link: https://check-flash.en.softonic.com/

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#Test USB Speed#USB Speed Checker#Free

For more information about Check Flash, you can refer to the review on Tom's Hardware.

Check Flash (ChkFlsh) is a simple USB flash drive testing and maintenance utility. It can be used only with USB flash drives, not with other external storage devices like HDDs.

6. SpeedOut

SpeedOut USB Speed Test is a simple and portable Windows utility that consumes minimal CPU and system memory resources while swiftly completing its USB speed testing tasks. It employs low-level technology, allowing you to test the read and write speeds of your USB without requiring administrative privileges.

Speed Up

Here are the pros and cons of using the SpeedOut USB Speed Test tool:

Pros Cons
  • Small, portable, and free utility.
  • Delivers accurate results independently of the drive's file system.
  • Supports data transfer speed tests for external HDDs, memory cards, etc.
  • Serves a single purpose.
  • Needs four steps to get the flash drive's speed.

Download link: https://www.softpedia.com/get/System/Benchmarks/SpeedOut.shtml

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#USB speed#Test USB speed#Free

For more information on how to use SpeedOut, you can refer to this review on Softpedia.

It didn't freeze, crash or display any error messages during our tests. All in all, SpeedOut should satisfy all users who want to quickly test the performance of their USB flash drives.

7. RMPrepUSB

RMPrepUSB is a free Windows boot loader that supports various operations on USB flash drives, such as testing USB speed, formatting USB, and partitioning USB. It allows you to view all the information about your USB and read/write around 65MB of data to test the read and write speeds.

RMPrepUSB

Note: Back up and remove all data from the USB device before running the test. The test will otherwise result in data loss.

The advantages and disadvantages of using RMPrepUSB are as follows:

Pros Cons
  • Feature-rich tool.
  • Uses sequential data transfer technology to measure read and write speeds of flash drives.
  • Displays detailed information about all external storage devices.
  • Cluttered interface.
  • Lacks data safety; might delete files during testing.
  • No provision to show detailed results of multiple tests.

Download link: https://rmprepusb.com/

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#USB Speed Test Tool#USB Performance Monitor#Free

For more detailed information about RMPrepUSB, we've picked this review from Techviral:

RMPrepUSB is one of the most advanced USB tools available, and you can use it right away. However, RMPrepUSB's user interface looks cluttered and feature-heavy.

8. Flash Drive/Card Tester

Flash Drive Tester is another straightforward USB testing tool that you can use in various scenarios, and it also supports speed testing for SD cards. Apart from checking the read and write speeds of your USB drive, the tool can also scan the drive for bad sectors.

Flash Drive Tester

Here are the features of USB Flash Drive/Card Tester for benchmark testing:

Pros Cons
  • Can run multiple tests simultaneously, saving time.
  • Performs read, destructive write, or combined read/modify/write and compare tests.
  • Bundled with some malware.
  • Takes a long time to run after installation.

Here are some comments about USB Flash Drive Tester that we've gathered from its download page:

Easy to install and use, quite intuitive. Takes about 15 minutes on a 1.8GB flash drive. No indication of how many retries or which modes were tested. Would be nice to have that info.

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#USB tester#Minitor USB performance#free

9. Parkdale

Parkdale is a lesser-known hard disk testing tool that offers three test methods: QuickAccess lets you perform a test with default parameters with a single click, FileAccess allows you to test the drive in a more isolated manner, and BlockAccess enables low-level testing.

parkdale

The pros and cons of using Parkdale for USB speed testing are as follows:

Pros Cons
  • It's an excellent benchmarking tool.
  • Multiple drive access modes are available.
  • Read and write speeds can be obtained in KB/s, MB/s, or even GB/s.
  • Lacks documentation reports.
  • May alter Windows file settings.

Download link: https://www.the-sz.com/products/parkdale/

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#Test USB Performance#USB Speed Test#USB Performance Monitor

Here's the latest user review of the Parkdale software from its download page:

The default benchmark window is easy to use and provides some nice, user-friendly disk performance statistics such as IOPS. It's compact and unobtrusive. It's unclear whether it offers a command-line mode, however.

10. Flash Toolkit

Flash Memory Toolkit is a powerful flash drive utility with multiple features. Apart from performing speed tests, it can also detect if the product is counterfeit. It also offers functions such as error scanning, deletion, and recovery.

Flash Memory Toolkit

Here are the main features of Flash Memory Toolkit:

Pros Cons
  • It offers many valuable options with full features.
  • Measures the speed potential of your flash drive in read and write tests.
  • The trial version only unlocks the read speed check and low-level benchmark, all other features are locked.
  • It only supports Windows XP / Vista / 7 OS.
  • The program seems to be no longer updated.

Download link: https://www.flashmemorytoolkit.com/

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#USB Performance Tester#Monitor USB Speed#Test USB Speed

Here's a selection of comments about Flash Memory Toolkit, gathered from the website:

This program provides a comprehensive suite of tools for testing and analyzing flash drives. But when you download it, it installs two programs on your computer without giving you the option to decline.

If you like the USB speed testing tools recommended above, please feel free to share this page to help more friends online:

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Conclusion

If you're looking for the best free USB speed testing tool, you've come to the right place. This article summarizes the top 10 excellent USB benchmarking tools. After weighing the pros and cons of each, you can check out reviews on various sites about people's experiences using them. Each will perform basic USB speed tests, but they vary in terms of security and features.

For a more in-depth look at your USB device, I highly recommend using the Partition Master tool. This utility performs USB speed tests without deleting data and is not associated with malware. It offers a comprehensive analysis of USB speed and provides various solutions to address slow USB performance issues. You can download and try it for your convenience.

Frequently Asked Questions About USB Speed Testing Tools

For more on USB speeds, see this FAQ.

**How can I check my USB speed?**

To check the USB speed, you can use a professional speed testing tool, such as Partition Master. Alternatively, you can try using an inbuilt Windows utility to gauge your USB's real-time speed:

Step 1: Open the Task Manager in Windows and click on “Performance.”

Step 2. Select the target USB to view its read and write speeds.

2. What software do you use to scan the USB?

If you want to test a USB, you can use the Microsoft USB Test Tool, which tests the interoperability of USB hardware with the Microsoft USB driver stack.

If you want to check the health and speed of your USB device, we recommend using the excellent USB benchmark tool – Partition Master.

3. What is USB Full Speed?

The original USB 1.0 specification defined a basic USB data rate of 12 Mbit/s, called full-speed (FS). All USB hub models support this speed. In 2001, USB 2.0 introduced a high-speed (HS) rate of 480 Mbit/s.