Read And Write Speed Sd Card

By | 25/11/2022

SD card speed test tool helps you to check either your newly purchase SD card is fake or real. SD or Micro SD cards are used widely for storage purposes.

After purchasing an SD menu, nosotros all wonder how fast is the product as various fake SD cards from no-name brands are sold on the internet and reputed shopping websites.

That’southward why it is necessary for you as a heir-apparent to take the SD Card Speed Test to avert getting scammed through a fake SD carte.

Are you wondering how to test the speed of your SD card? And what tools to use for the aforementioned?
And then your search ends right here.

As in this article, nosotros will exist discussing the five all-time gratis SD card speed test tools. You tin can format your newly buying SD menu with the assist of
SD card formatter
to check it is fake or real!

What is SD Bill of fare Speed Test?

sd card speed test

Nosotros use SD Cards in diverse devices such as; cameras, phones, the Nintendo Switch, and Dashcams. Various SD cards are bachelor in the market place, and each of them has different read and write speeds.

The speed of the SD card is quite important every bit if yous put a high-speed SD card in a deadening photographic camera, it might not function properly.

To avoid this, you can ever employ a free memory carte du jour tester tool on your Android, Windows PC, and Mac.

How Does an SD Card Speed testing Tool Piece of work?

The speed class ratings of a Minco SD card depend on the standardization of data transfer speeds fix by the SDA or
SD Card Association.

One should never trust the read and write speed claimed by the visitor as ane might become scammed considering they often accuse less toll for good products. So we should ever check the device before purchasing it by downloading whatsoever of the below-mentioned free SD menu tester tools.

Y’all only take to insert a Micro SD carte into your PC or mobile and striking start; always remember to run the test a few times to get consistent results.

5 All-time SD Card Speed Test Tools to Use in 2021

BlackMagic Disk Speed Exam

blackmagic disk speed test-min

Black Magic Deejay Speed Examination is an fantabulous SD card speed test tool that verifies the speed of the SD carte but takes time to read and write large blocks of information to a storage device.

If you own a Mac and want to cheque the speed of your SD card, then the Black Magic Disk Speed Exam is the best free tool available for the same.

This utility tool works best to identify fake SD cards and test the speed of large drives. It is best suited for people who work with big files such as audio & video clips.

How Does BlackMagic Work?

Follow the steps to operate this easy-to-employ tool to check the speed of an SD card in a Mac device:

  1. Download and Install the Black Magic Deejay Speed Test from the Mac App Store.
  2. Launch the app from the applications folder or use launchpad on the Dock for the same.
  3. Above the commencement button on the app, click on the gear icon, i.e., the settings option.
  4. From the drop-downwards menu, click on the Select Target Drive option.
  5. A finder screen will open, and from its left console, y’all tin can choose the Mac Volume or the disk you lot want to test.
  6. Once again, click on the Settings button and select the size of the stress file ranging from 1GB to 5 GB that the app will use.
  7. After following the above steps click on the start button and wait till the information loads on the screen.



H2testw is a meaty utility tool used for testing the speed of SD cards and their read and write capacity. This free retention card tester tool made by the German language Developers is the all-time one to bank check the correct storage space of memory drives.

The but disadvantage you lot volition face up is that information technology does non piece of work for large-capacity drives and takes a little longer to complete the examination as its software has not been optimized.

Moreover, it saves oneself from getting scammed by faux SD cards circulating in the market.

How Does H2testw Piece of work?

Follow these steps to run the tool to check the speed and capacity of an SD card:

  1. Download and install the H2testw software from the internet.
  2. After opening the application, specify the folder where you lot want the files to be written and click on the ‘Target’ push.
  3. Set the data co-ordinate to your pick.
  4. Finally, select the ‘Write+Verify” option to cheque the speed of the SD card.



USBDeview is a portable tool past Nirsoft that provides access to find all the USB devices connected to the PC and examination the speed of the SD/Micro SD Card.

This small utility tool allows taking the USB speed examination and lists all the currently connected and previously used USB devices.

The software displays information such every bit; description & proper noun of the device, type of device, serial number, appointment & time of adding the device, product ID, vendor Id, and more than.

USBDeview also allows the user to disconnect, disable, enable, and uninstall the USB devices on the estimator.

How Does USBDeview Work?

To accept the speed test of Flash Drive, follow the below-mentioned steps:

  1. Download the USBDeview software from the net on a windows device.
  2. Select the item you desire to test from the main window.
  3. From the file bill of fare, choose the ‘Speed Test’ pick or press Ctrl+T.
  4. The ‘Speed Exam Dialog Box’ will appear, verify the selected bulldoze alphabetic character, and press the ‘Start button. It will automatically starting time to read and write a 100 MB file and display exact scores.
  5. Y’all can likewise publish results by clicking on the ‘Publish Test Results’ option and tick the box to agree to publish results.



Another elementary tool for testing the speed of the SD carte device is Speed Out. This easy to run tool quickly measures the read and write speed of the SD card and flash bulldoze.

Speed Out the SD carte checker tool runs the programs at a low level, i.e., its scores are non affected by the bulldoze file system.

It does not overwrite any files, and the SD card also does not need whatsoever formatting to run the test, as information technology is a non-destructive tool.

How Does SpeedOut Work?

Follow the below-mentioned steps to check the speed of the SD carte du jour through Speed Out.

  1. Download the Speed Exam software for PC from the internet.
  2. Choose the USB Drive whose speed you want to examination from the drib-down card.
  3. Click on the offset button, and it will run four passes of both reading and writing tests and prove the boilerplate of each in a dialogue box.
  4. You can also re-create or relieve the results by right-clicking on the title bar.



ChipGenius is an first-class tool for users to differentiate between the original and simulated SD cards floating in the market.

By using this SD card test, users volition come to know whether the toll they have paid for the SD card is worth it or not.

This tool does not write any data at all; its job is to locate the information of the manufacturer and storage information of the SD bill of fare. Then it cross-checks the information with the database and displays the findings to yous one time the procedure is done.

This fast working tool can simply track poorly programmed SD cards as the tricksters present know how to comprehend the tracks.

How Does ChipGenius Work?

To check the authenticity of your SD carte or flash drive from Chip Genius, follow the below-mentioned steps

  1. Download and install the Chip Genius plan from the internet.
  2. Connect the device that you lot want to test to the USB port of the computer.
  3. Open the Chip Genius program, and you will get all the data about the corrupt device, such as; USB device Id, device vendor, product model, etc.
  4. And you can compare all the details yourself as mentioned on the product and the chip genius program.


After reading and analyzing all the pros, cons, and usage steps of the five all-time SD card speed examination tools in the listing given in a higher place, you tin can easily choose i of them co-ordinate to your need to check the speed and authenticity of the SD card.

According to us, if you work with large files, the best tool for speed testing of the SD card is the Black Magic Disk Speed Examination tool.

But if storing large files is not your specification, you should get for an easy-to-use compact utility tool, i.east., the H2testw tool designed past German developers.