By Bryce / Last Updated October 24, 2019

Can I clone Windows 7 HDD to smaller SSD?

My laptop’s running Windows 7 on a 500GB HDD. Now I bought an Intel 520 Series SSD of 240GB to replace it for better computer performance. I want to keep the same configuration of system and applications on SSD as old HDD. Since the troublesome reinstallation process of Windows and applications, I want to clone hard drive to SSD in Windows 7 to transfer all data to SSD. Is it possible? How can I do it?

Hard drive to SSD cloning software is necessary!

Windows 7 has no built-in disk cloning software, to perform hard drive to SSD duplication, you can apply third party cloning software. Among great number of cloning software, it’s not so easy to find out proper one. Thus, we’d like to offer some reference factors for you to choose:

✍ Safe and bootable clone: Great hard drive clone software should not damage the data and files during the cloning process. What’s more, the target cloned SSD shall be bootable after the cloning system HDD to it.

✍ Good compatibility: There are various SSDs like SATA SSD, SATA M.2 SSD, etc. Good HDD to SSD cloning software shall be workable whether you clone HDD to SATA SSD, NVME SSD or ….

✍ Flexible choices: It is common that you need to clone HDD to SSD of different sizes (large, equal, smaller). A fantastic cloning software should be able to do it.

✍ Ease-to-use: Good disk cloning software’s interface shall be friendly to users and it shall be simple to operate even for non-tech computer users.

AOMEI Partition Assistant Professional can completely meet all the above elements. It enables you to clone hard drive to larger SSD, smaller SSD or SSD of equal size in Windows 7 with secure boot just within a few steps. And it supports you to align SSD partitions for improving performance when cloning.

Clone hard drive to SSD in Windows 7 step-by-step

Now, connect your SSD to the Windows 7 computer and ensure that it can be detected; sort Out the old hard drive, delete unnecessary files and transfer important files to another safe place if the used space of it is larger than SSD’s capacity; backup the SSD if there are important files on it.

Then, install and run AOMEI Partition Assistant Professional and check out the following steps. Or you can choose to download its demo version to have a try at first (supposed that you are going to clone Windows 7 hard drive to smaller SSD).

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

Clone Hard Drive to SSD Windows 7

Step 2. Choose Clone Disk Quickly between two methods. If you clone Windows 7 hard drive to a larger disk, it's OK to choose Sector-by-Sector Clone.

Clone Disk Quickly

Step 3. Choose the Windows 7 hard drive as the source disk.

Source Disk

Step 4. Select the new SSD as the target disk and check Optimize SSD’s performance….

Destination Disk

Step 5. Here you can edit partitions on the target disk.


A Note on how to boot from the cloned disk will show up. Keep it in mind.


Step 6. Here you can preview the result. Click Apply and Proceed to commit operation.



  • If you don’t want to clone entire hard drive, you can use this cloning software to clone OS related partitions only via its Migrate OS to SSD function.

  • This process needs to be performed under PreOS mode, as it involves the system.

  • This process can also be applied to clone hard drive to SSD in Windows 10/8.1/8. If you need to clone Windows Server hard drive to SSD, turn to AOMEI Partition Assistant Server.

After finishing hard drive to SSD cloning process, to boot from the SSD successfully. You need to enter BIOS to set the cloned SSD as boot device if you keep your old hard drive and SSD simultaneously. If you clone MBR hard drive to GPT SSD or clone GPT HDD to MBR SSD, you need to change boot mode accordingly as well.