How to Clone 1TB HDD to 500GB SSD without Reinstalling?

To clone 1TB HDD to 500GB SSD, even smaller SSD without losing data, AOMEI Partition Assistant can be helpful!


By Bryce / Updated on May 12, 2023

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Question: Can I clone 1TB HDD to 500GB SSD?

“Hi, guys! Recently, I have bought a Samsung 500 GB SSD. In order to shorten boot time and response time, I try to replace my old 1TB HDD. In the meantime, I don’t want to reinstall Windows operating system and all programs on SSD. Therefore, I want to clone 1TB HDD to 500GB SSD. I know that it is available to clone hard drive to another hard drive with an equal size or larger capacity, but is it possible to clone large HDD to smaller SSD with secure boot?”

Answer: It is possible to clone 1TB HDD to 500GB SSD

As mentioned above, it is able to clone hard drive to larger one, but can you copy a larger disk to a smaller one, like cloning 1TB HDD to 500GB SSD, to 256GB SSD even to 128GB SSD? In fact, the answerer is positive, as long as the used capacity on the source HDD is not larger than the capacity of the destination SSD. At this point, what you need is proper HDD to SSD cloning software.

The best disk cloning software will enable you to effortlessly replicate your whole hard drive while also avoiding the need to entirely reinstall system software and transfer across all data, allowing you to work much more rapidly. What's more, it's rather beneficial when just wanting to upgrade your hard drive, such as to a larger capacity or a new kind completely, such as from a mechanical HDD to an SSD.

AOMEI Partition Assistant Standard is what we highly recommend. It can perfectly capatible with Windows 11/10/8.1/8/7/XP, and Vista. Its Clone Disk Quickly option allows you to clone only used sectors on the source disk, so you can clone a larger disk to a smaller one; what’s more, it allows you to align SSD partitions to improve SSD performance during the copying process.

How to clone 1TB HDD to 500GB SSD within a few steps?

Now, free download this great HDD to SSD cloning software and check out the detailed steps listed in the following text (Taking duplicating 1TB HDD to 500GB SSD as an example).

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

Little tips before cloning HDD to smaller SSD:
If there are files stored on SSD, you’d better back up the files before cloning HDD to SSD as this operation will erase all data on SSD.
In order to save cloning time and space on SSD, you can uninstall unnecessary programs, delete unwanted files and folders on HDD (omissible).
Connect the SSD to your working computer and make sure that it can be detected by OS. A SATA-to-USB might be necessary if what you own is a laptop.

Step 1. Install and run AOMEI Partition Assistant . Click “Clone Disk” in the right menu.

Clone 1 TB HDD to 500GB SSD

Step 2. In the pop-up windows, choose first option betwwen "Clone Disk Quickly"" and "Sector-by-Sector Clone". The second method will copy all sectors, either used or unused, even bad sectors to the target disk if you need. 

Copy Disk Quickly

Step 3. Choose the 1TB HDD as the source disk and click Next.

Source Disk

Step 4. Choose the 500GB SSD as the destination disk. Don’t forget to tick the box before “Optimize the performance of SSD” to make SSD alignment. Then, click Next.

Target Disk

Step 5. There are three options but only two are available, as the source disk is smaller than the destination disk. Choose one and click “Next” > “Finish”.


Fit partitions to enter disk: It will modify partitions on SSD automatically.
Edit partitions on this disk: It permits you to adjust a partition manually as you need.

Step 6. You’ll return to the main interface, confirm the operation and click “Apply” > “Proceed” to implement it.


When you can’t boot from cloned SSD, disconnect the original HDD or change the connection socket of the source HDD and destination SSD.
Don’t format or wipe HDD before ensuring that you can boot the computer successfully from SSD.
For system disk copy, AOMEI Partition Assistant Standard supports only MBR to MBR disk; if you want to clone MBR system disk, MBR to GPT or GPT system disk to MBR/GPT, please upgrade to Professional version.


It is obvious that you can clone 1TB HDD to 500GB SSD effortlessly under the help of AOMEI Partition Assistant, as long as the used space on the source disk is not beyond the capacity of the target one. Actually, it owns many other helpful functions like migrating OS drive to SSD, merge partitions, and so on, you can easily manage your disks with this powerful tool.

Bryce · Staff Editor
Bryce is an editor of AOMEI Technology, he covers backup & restore, hard disk & partitions management, cloud files transfer, website & database backup and so on for AOMEI. He enjoys helping people find solutions to their problems. He loves traveling, Sleeping, reserching and so on. He enjoys helping people find solutions to their problems. He loves traveling, Sleeping, reserching and so on. He would like to spend all time on reaserching computer problems. He is a very cute boy.