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SD Card Read–Write Speed, Error and Recovery

Sumona Chatterjee  | Updated on February 11, 2021 | Photo Recovery   | 12 Comments   | 4 min read

Summary: This blog explains the importance of SD Cards Read-Write speed, errors, and recovery. Go through it to have a better understanding of SD Card and its key elements.


SD Cards, be it Secure Digital Standard Capacity (SDSC), miniSD, microSD, Secure Digital High Capacity (SDHC), miniSDHC, microSDHC, or Secure Digital eXtended Capacity (SDXC)  serve as a great storage device. Out of the several aspects, the Read speed and Write speed are its most important features that determine the speed at which data can be read and written on it.

An Insight: SD Card Read-Write Speed

  • Write Speed – One of the most vital specifications of SD Cards is the Write speed. This is because it is the rate at which a digital camera can write data be it photos or videos on the memory card. If the speed is high, the number of photos that can be written on the card or the shot-to-shot time may increase significantly. The quicker the camera can write data to the card, the quicker the buffer in the camera becomes free and you can start capturing photos and shooting videos again.
  • Read Speed – Another vital specification of SD Cards is the Read Speed. This comes into picture when you wish to view the photos or videos saved on it. It is also important when you need to transfer them to any other computer or device.

An important note – If SD Card is used in the camera, the write speed of the SD card should match the high writing speed of the camera. The reason being, if a camera has a low transfer rate and a high write-speed, the SD card will not be of much use. Thus, the low speed of the camera can be a controlling factor.

When buying an SD Card, either for personal or professional use, you must check its read and write speed. Also, you must buy the one that has both high Write Speed and Read speed, depending on your and gadget requirement. This is because high Read and Write Speed enhances the performance of SD Cards. However, you may encounter errors in your SD Card irrespective of the type, manufacturer, or storage capacity.

Read Write Speed

Errors in Your SD Card

SD Cards are not immune to getting corrupt. Therefore, you can encounter errors with it anytime either due to physical or logical corruption issues. Some of the errors are as follows:

  • SD card unexpectedly removed
  • Card shows not formatted
  • SD card is damaged. Try reformatting it
  • Read/Write error on SD card
  • Blank SD card SD card is blank or has an unsupported file system.

Causes – The several reasons for SD card damage are as follows:

  • Mishandling by users
  • Virus attack or intrusion of malicious code
  • Use of same SD Card in different devices
  • Improper ejection of the SD card from respective device
  • Closure of camera during read/write process of SD Card
  • Disruption in the process of data transfer
  • Corruption issues in the file system
  • Dust or oil stain on surface of SD Cards
  • Presence of bad blocks
  • Manufacturing defect

What Happens On Encountering Errors with SD Cards?

 If you have encounter errors while working with SD Card, it signifies that the SD Card has become damaged or corrupt. This makes your attempt to access the stored data a failure. And, you lose all your life cherishing memories in no time. To this, SD Card Recovery becomes essential.

SD Card Recovery Solution

SD Card Recovery means recovering inaccessible data from corrupt or damaged SD cards. To do so, you can employ a top-notch solution called Stellar Photo Recovery. The software can recover all data, be it a photo or video file saved in any format, and is compatible with both Mac and Windows OS. Also, it makes the process hassle-free and quick through its easy-to-use interface. To use it, you need to download, install, and activate the software through registration key online or offline. Next, follow the steps stated below:

Photo Recovery photo recovery mac

  1. Connect the SD Card to either your Mac or Windows system depending on the system and software you have.
  2. Launch the Stellar Photo Recovery (Windows) or Stellar Photo Recovery (Mac).
  3. Select the SD card from where you want to recover. Click Scan to start the scanning process.
  4. A dialog box of ‘Scanning Completed Successfully!’ displays the scan results – number of files found and size of the data. In the left-pane of main window, all the recovered data is listed. You can preview them in the right pane.
    Note: If you do not see the required photos in the list, opt for Deep Scan option at the bottom.
  5. Click Recover. You can also choose to recover only the selective photos – select photos that you need, right click, and click Recover.
  6. In the dialog box, specify the location to save the image files. Click Save. All the photos get saved at the specified location Click Save. All the photos get saved at the specified location.

Conclusion

Now that Stellar Photo Recovery software and the steps to run it have been explained for SD Card recovery, you can easily recover the inaccessible files from a corrupt or damaged SD Card. Employ the tool to see the amazing recovery results for yourself.

Comments(12)
  1. Steve Adams November 21, 2020
    • Sumona Chatterjee November 23, 2020
  2. Dave Bannister August 13, 2019
    • Sumona Chatterjee August 14, 2019
  3. Benjamin Hubert March 19, 2019
    • Sumona Chatterjee March 20, 2019
  4. Jordan Koschei January 28, 2019
    • Sumona Chatterjee January 31, 2019
  5. Jaclyn Leduc August 21, 2018
    • Sumona Chatterjee August 24, 2018
  6. Juana Arias July 19, 2018
    • Sumona Chatterjee July 20, 2018

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