By Bryce / Last Updated October 29, 2019

Need to clone my Samsung external hard drive

“As my 500GB Samsung external hard drive contains plenty of files and is with many programs installed. To avoid data loss when my external hard drive is corrupted, I want to clone it to another 1TB external hard drive in Windows 10. Then how to clone external hard drive to another external hard drive? Is any advice or information?”

How to clone external hard drive to another one?

It’s not a bad decision to duplicate hard drive for protecting important data stored on it. In fact, you can copy external hard drive to another external hard drive (HDD or SSD) without any difficult as long as you find out right hard drive cloning software.

Among a great number of cloning software, AOMEI Partition Assistant Professional is highly recommended. It offers two copy methods: “Clone Disk Quickly” and “Sector-by-Sector Clone”, which allows you to copy used sectors or all sectors on source external hard drive. If your destination disk is smaller than the source disk, you can choose the first method. If there are bad sectors on the source external hard drive, choose the second one.

In addition, this cloning software supports copying system disk as well, enabling you to achieve hard drive upgrade without reinstalling Windows.

Detailed steps to clone external hard drive

Now, connect the two external hard drives to your computer and make sure that they can be detected. Install and run AOMEI Partition Assistant. Or you can download its demo version to have a try! Then let's see how it works.

PS.: It is necessary to realize that all data on the destination external hard drive will be erased during this process. If you don’t want to suffer from data loss, make a backup in advance.

Step 1. In the main interface, click All Tools and Disk Clone Wizard.

Disk Clone Wizard

Step 2. It will pop up a small window, offering you two copy methods. Choose one based on your specific situation.

Clone Methods

Note: This first way requires that the capacity of the destination external hard drive should be not smaller than the used space on the source external hard drive; the second way demands that the size of target external drive should be larger than or equal to the size of source external drive.

Step 3. Choose your source external hard drive and click on Next icon.

Select Source Disk

Step 4. Select your target external hard drive and click Next.

Select Destination Disk

PS.: If the external hard drive is solid state drive, tick Optimize the performance of SSD to align SSD partitions.

Step 5. In this window, you can resize the partitions on the destination disk.

Edit Disk

Note: If you clone hard drive to smaller hard drive, the first option Copy without resizing partitions will be greyed out.

Step 6. Click Apply>Proceed to commit operations.



  • AOMEI Partition Assistant Professional is for Windows PC users, if you are Windows Server users, you can employ AOMEI Partition Assistant Server.

  • When you only want to clone certain data on the external hard drive, the feature Partition Copy Wizard can help you to perform this operation.


Whether you want to clone external hard drive to another external hard drive or clone internal boot hard drive to new hard drive, you can turn to this versatile and powerful hard drive cloning software – AOMIE Partition Assistant Professional. And it possesses other multiple functions like cloning operating system partition to SSD, converting disk between MBR and GPT without data loss and wiping hard drive etc.