By Ivy / Last update October 20, 2021

About the SD card you’re about to clone

Before you try to clone an SD card, you may want to understand SD card briefly. SD card, the abbreviation of Secure Digital card, is a memory card that mostly used in portable devices through SD card slot or reader, such as digital cameras, music players, Android phones, tablets, personal computers, etc. 

With no moving parts inside, data stored on SD card has less possibility to lose when powered off. Four kinds of SD card are served in three different form factors, SDSC, SDHC, SDXC, and SDIO. They differ from speed, security, capacity and compatibility aspects.

Raspberry Pi model requires different sizes of SD card in different versions. The common SD card manufacturers are popular as well, actually. The mainstream SD card brands would be SanDisk microSDXC, Polaroid SDXC, Silicon Power (SP) Micro SDXC, Samsung SD Card, Transcend SDXC, Lexar SDHC, and so on. 

The capacity of SD card increases to meet user’s daily use nowadays. That’s why some users would like to clone SD card to another SD card.

SanDisk SD card

Why clone SD card to larger card?

In general, several common reasons account for the behavior of cloning SD card in Windows. See if you’re in one of those situations.

  • Fix low disk space warning. You can extend partition size when there is low disk space on a certain volume. However, you have to upgrade SD card to a larger card since the only partition of SD card almost takes up the whole space (Windows will only recognize the first primary partition of removable devices by default). It is high time to change SD card to a larger one when you see a red volume bar in Windows File Explorer.

  • Protect stored data on SD card. Some users clone Android SD card may not because it’s low capacity. For example, it is necessary to copy SD card when it is failing, or been infected by virus. Copying is a way to save valuable data. In addition, cloning a function SD card can be considered as backup. Some users copy SD card to PC for backup, some copy to another SD card instead.

  • As covered, Raspberry Pi model requires different SD cards. You may need to clone Raspberry Pi SD card to larger card after changing the model.

Besides, data transferring between SD cards is also a factor that leads to SD card cloning. Nevertheless, what counts next is to figure out how to clone SD card in Windows 10/8/7 securely and efficiently.

Learn the best free tool to clone SD card in Windows 11/10/8/7

AOMEI Backupper Standard is free yet professional SD card cloning software that earns its own reputation due to its reliable and powerful features. It can help you clone SD card securely & easily.

1. It can help you clone Android SD card to a larger one as well as copy Raspberry Pi SD card to larger card. It will adjust the partition size to fit the entire target SD card. On the other hand, the software provides Sector-by-sector clone which makes the exact copy of the source SD card, no matter the sector is used or not.

2. It enables you to clone SD card to smaller card with its intelligent clone feature. The tool will only clone used part to the target disk, which makes cloning larger drive to smaller drive possible.

What’s more, the cloning process will be running in the background and it won’t interrupt you using the PC. With AOMEI Backupper’s user-friendly interface you can complete the cloning job without effort. Keep reading to learn the detailed steps to see how to clone Android SD card to a larger one with this tool.

Detailed steps on how to clone SD card to larger SD card securely


  • Two SD card Readers (only one Reader is enough if your PC has one SD card slot).

  • A Windows-based machine.

  • SD card cloning software (download the free software below and install).

  • Sufficient battery electricity for your computer.

Download Freeware Win 11/10/8.1/8/7/XP
Secure Download

Note: the target SD card will be overwritten after cloning. Make sure you’ve choose the correct one in the steps.

1. Connect both SD cards to your PC and make sure they can be detected properly. Open AOMEI Backupper Standard. Click Clone and then Disk Clone.

Disk Clone

2. Select the source SD card.

Choose the source SD card

3. Select the target SD card (larger card).

Choose the larger SD card

In the Operation Summary page, you can click on Edition Partitions and then choose more advanced options to manage SD card partition.

Add Unused Space

4. Confirm your operation and click Start Clone. Wait for the process completes.

Start Clone

5. Disconnect both SD cards after cloning. Connect the new cloned SD card to your device if any.


  • Ticking Sector by sector clone option will make partition editing unavailable.

  • To clone a specific partition only, please choose Partition Clone in the first step.

  • You’re allowed to clone SD card to USB flash drive through above steps.

  • Besides SD card, you still can use this software to clone hard drive or SSD, regardless of disk size and models, such as, clone Windows 10 to NVMe SSD, clone hard drive to larger drive, clone large HDD to smaller SSD, migrate Windows to M.2 SSD, etc.

If you cannot connect two SD cards to your computer simultaneously, it is suggested to do backup & restore operation. Firstly, connect the old SD card and create a backup with AOMEI Backupper. You can backup SD card to computer directly. Secondly, disconnect the first card and connect the larger SD card to your PC. Finally, perform image restore to the larger SD card, and done.


AOMEI Backupper Standard makes it easy to clone SD card to larger SD card. Within only several clicks, all data on the old SD card will be transferred to target card without losing anything. AOMEI Backupper is also powerful backup solution and disaster recovery tool for Windows. It is suggested to keep it installed to set continuous data protection for your computer. You can also create a bootable rescue media just in case.