Clone OS from HDD to Smaller SSD Without Reinstallation

Tracy King updated on Sep 02, 2019 to Todo Backup Resource | How-to Articles

"Can I clone Windows 10 HDD to a smaller SSD? My computer becomes slower and slower after upgrading to Windows 10. I've heard that SSD works more efficiently than HDD, then I bought a new 128 GB SSD (smaller than the old HDD), trying to resolve the issue by cloning OS from HDD to the smaller SSD. But the problem is I don't know how to do it. Can anyone show me how to make it?"

Why Need to Clone OS from HDD to Smaller SSD

With the fast spread of SSD, more and more computer and laptop manufacturers are using SSD as system disk to optimize system performance and speed up the device for worldwide users.

SSD has many apparent advantages compared with HDD, like better stability, faster reading and writing speed, less power consumption, and more great functions. Thus, more and more users, especially the game players, are trying to clone OS from HDD for SSD on their computers to improve performance.

But how to migrate Windows 10 from HDD to smaller SSD? Can you make it done without reinstalling Windows? If you are having the same problem, relax! Here, you'll find an effective and simple method to clone OS to SSD.

The Best Software to Clone Windows 10 to Smaller SSD

EaseUS Todo Windows backup software is an ultimate data backup and recovery tool that allows for system clone, partition clone, and disk/hard drive clone. Its system clone feature will automatically select the current system partition and boot partition to be cloned, which ensures that the system can be properly started after migration.

Furthermore, as the destination disk is SSD, which has different structures need to be aligned along the SSD block boundaries, you can use the useful "Optimize for SSD" function of EaseUS Todo Backup to proceed sector alignment during cloning.

Another primary function of EaseUS Todo Backup is data backup. You can use it to accomplish file/folder backup, disk/partition backup, Outlook backup, cloud backup, as well as the system backup.

How to Clone Windows 10 to smaller SSD with EaseUS Todo Backup

You can follow the video tutorial or detailed steps provided below to migrate OS (Windows 10/8/7) to smaller SSD without reinstalling Windows. If you need to fresh Install Windows OS on SSD, link to the topic page. 

Notice:
If you are trying to clone Windows 10 to a new HDD or SSD disk, please do remember to empty the disk in advance. 
One more thing that you can do is to convert your HDD/SSD disk to MBR or GPT - exact the same as your current system disk, which will allow you to effortlessly boot system after cloning Windows system.

Let's see how to clone your Windows 10 OS to a new HDD/SSD without reinstallation Windows OS now:

Step 1. Connect the new HDD/SSD to your PC.

Step 2. Run EaseUS Todo Backup for Windows 10 Clone.

Select "System Clone" on the left tool panel by clicking the icon at the left top corner.

Choose system clone mode in EaseUS Todo Backup

Step 3. Choose the destination disk - HDD/SSD to save Windows 10 system

Choose the new HDD or SSD as your target disk for saving the cloned Windows 10 system. 

Then click "Proceed" to start cloning Windows 10 to HDD/SSD now.

Choose disk to save Windows 10 system

After this, insert your new HDD or SSD into your computer and reboot PC, change the boot order to set computer boot from new HDD/SSD with cloned Windows 10 system:

  • Restart PC and press F2 or F8 to enter BIOS settings.
  • In the Boot option, select new HDD/SSD as the new boot drive and save all the changes.
  • Exit BIOS and restart the computer, you should be able to see Windows 10 running on your new disk without any problems.
 
 

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Frequently Asked Questions

Why choose EaseUS Todo Backup?

"The easiest way to protect your data and system files."techradar

"EaseUS Todo Backup Free is one of the most popular free data backup applications available. This software offers a myriad of features and is extremely user-friendly. It provides a full system backup, meaning you can back up your entire operating system."TopTenReviews

"EaseUS ToDo Backup Home is a great backup program, well suited to the home and SMB space."PCWorld

What is the difference between Clone and Backup? In what cases should I use Clone?

Clone will copy one disk to another or one partition to another (unallocated space is also supported). Usually, this option is used to upgrade the current disk by creating an identical copy. Backup will generate a .PBD image file containing the selected files or system that can be restored from the .PBD image if needed.

What is the difference between System Backup and Disk Backup?

System Backup will auto-select the system boot related partition(s) as the backup source to make sure the system image can be restored properly. Disk/Partition Backup will allow you to manually select a whole disk or speficy a certain partition as the backup source. You will get the same backup result as System Backup if you manually select the system and boot partitions with the Disk/Partition Backup option.

As a computer newbie, what features should I use to protect my computer?

You can use System Backup to back up the system and boot partitions, use Disk/Partition backup to back up the data partition and add plans to run an automatic backup. If you use the computer frequently or have software that may cause boot failure of the computer, we would suggest you back up the computer every 1 to 2 days. For other situations, you can backup the computer once a week. In addition, you can schedule File Backup to back up the files which are changed frequently.

What kind of storage service should I use to save my backup images?

EaseUS Todo Backup can save backup images to internal disks, external disks, network drives, or free cloud(Google Drive, Dropbox, and OneDrive) and CD/DVD. It is suggested to save the images to the internal/external/network drives to save time as those kinds of disks have a better read-write speed. It is suggested NOT to save the image on the source disk, because once the disk is damaged, all the files on the disk will become unavailable and you will be unable to restore the image.

As a company network administrator, what features should I use to protect our internal computers?

It is recommended that you use the SQL Backup feature to back up your company's SQL server and Exchange Backup feature to back up the Exchange server. In addition, you can execute System Backup to back up the system and boot partitions on every computer and set a plan to execute the backup once a day or twice a week to ensure that the computer can be restored timely when it has boot issues. File Backup feature can be used to back up important user data. If there are a large quantity of computers, you can purchase EaseUS Backup Center to manage the backups on the client computers centrally.

About EaseUS Todo Backup

Be it a file, system, partition, or disk, EaseUS Todo Backup will help you back up or clone the item and provide you with multiple backup plans.