How to Upgrade HDD/SSD to Large Disk Without Data Loss?

Coco Lin
Written byCoco LinUpdated on Apr 21, 2024
Gerhard Chou
Approved byGerhard Chou

Table of Contents

Upgrading to a bigger disk or computer without losing data is important in today's digital world. As the amount of data that needs to be stored grows exponentially, it can be difficult for people and businesses to increase their storage space without problems.

Making a copy of a current disk on a new one is a key part of this project because it protects important data while meeting the need for more storage. This guide details the steps that need to be taken to complete this upgrade successfully.

Users can safely clone and protect the integrity of their data during the upgrade process by using well-known data migration or disk clone software. This all-around method lowers the chance of losing data and gives people and businesses the confidence to enjoy the benefits of more storage space.

clone data to large disk

#1 Check How Much Storage Space You Need

Before you start the upgrade process, you must carefully examine how much data you need. Figure out how much extra space you'll need by examining how much space is already used. This evaluation is very important for determining what size new disk you should get. Knowing how much space you need now will help you choose the right size hard drive, ensuring it can handle your current needs while leaving space for future growth.

#2 Select the New Disk

Once you have a good idea of how much space you need, the next step is to choose the right new disk. Look into how much space it takes up, how fast it is, and how well it works with your system design. Traditional hard disk drives (HDDs) offer much storage room at a lower cost per gigabyte, while SSDs are faster and more reliable.

Before making a choice, consider how you plan to use it, how much money you have, and how well you want it to work. Considering all these things will help you pick a disk that meets your short-term and long-term storage needs.

#3 Backup Your Data

Before you change any hardware, it's important to ensure all your info is safe by backing it up completely. This preventative step ensures that your information will be safe and easily accessible if something goes wrong during the upgrade process.

Use backup options, such as portable hard drives, cloud storage services, or backup software, to make exact copies of your files. This cautious step lowers the risk of losing data and allows you to easily restore it if something goes wrong during the disk upgrade process.

#4 Clone Your Existing Disk to the New Large Disk

clone data to large disk

Cloning your old disk is important to get a bigger one without losing any info. Here is a step-by-step guide on how to use disk cloning software to clone old HDD/SSD to the new large disk:

STEP 1: Install Cloning Software

Choose the copy software you want to use and install it. Donemax Disk Clone is a reliable and easy-to-use disk cloning program. It supports to clone any HDD/SSD to another drive without losing data.

Donemax Disk Clone

  • Clone all data from the old HDD/SSD to the new large disk.
  • Create bootable clone for Windows and macOS.
  • Support sector by sector clone.

STEP 2: Launch the Cloning Software

After setting up the software, you can start it from your desktop or the Start menu. Ensure that the old and new disks are linked and your system can see them.

clone data to large disk

STEP 3: Choose the Source and Destination Disks

You can usually choose the source disk (your old disk) and the destination disk (the new disk) in the cloning software's interface. If you want to 1:1 clone, just select Sector by sector clone, then click Next.

clone data to large disk

STEP 4: Set Up the Cloning Settings

Depending on your tools, you can change how the cloning works. This could include changing the size of a partition, copying sectors one by one, or only copy existing files, etc.

clone data to large disk

STEP 5: Start the Process of Cloning

Once you've set up the cloning settings, start the cloning process. You might have to click "Clone" button in the program to do this. After that, the cloning program will start moving all the files from the source disk to the destination disk.

clone data to large disk

STEP 6: Monitor the Cloning Process

You can check on the state of the cloning process through the software interface. Most of the time, a progress bar or percentage number will show you how much of the cloning process is done.

STEP 7: Check Cloned Data

After cloning, you must ensure your data is properly moved to the new disk. Some copying software has built-in checks to make sure the data is correct.

clone data to large disk

STEP 8: Finish the Process of Cloning

You can safely exit the cloning program after checking the copied data. Your new disk should contain an exact copy of your old disk, ready to be put into your system.

#5 Physically Install the New Disk

Once you know the cloned data is correct, you can physically put the new disk into your machine. Carefully follow the manufacturer's installation instructions to ensure the correct connection is safely placed in your computer or an external case. Check the wires and ensure they are firmly in place so data can flow smoothly between the new disk and your system.

#6 Boot from the New Disk

It is important to ensure your system can boot from the new disk before removing the old one. You can make the new disk the main boot device by going to your system's BIOS or UEFI settings. By doing this, you can be sure your system will start up normally from the new disk after the change. Learn how to use your system's BIOS or UEFI interface to get to the boot order choices and make the newly installed disk the first one that starts up.

#7 Securely Erase the Old Disk

After ensuring the change went well, you should safely delete the old disk and move all your data to the new one. Using disk erasing software will erase all the data on the old disk, making it impossible for anyone else to recover it.

Donemax Data Eraser is a powerful and easy-to-use disk wipe software. Just download and install it on your computer, then run it, choose Erase Hard Drive mode to permanently wipe all data from the old drive.

clone data to large disk

Note: Once the data is erased by Donemax Data Eraser, the data is lost for good, can not be recovered by any method.


In conclusion, getting a bigger disk without losing data is necessary in today's digital world. Users can easily move to a bigger disk while protecting their data's security by carefully evaluating their storage needs, choosing the right disk, backing up their data, and starting the cloning process with reliable software.

Installing the new disk and ensuring it works before turning it on confirms the change's success. People can enjoy the benefits of more storage space without worrying about losing data if they carefully plan and carry out their plans. It will allow them to navigate the digital world with ease and efficiency.

Coco Lin
Contributing Writer

Coco Lin

Coco has been a writer and a chief programmer at Donemax software since 2018. Over 10 years of experience of writing troubleshooting articles in the software industry, she is passionate about programming and loves to providing solutions to Windows and Mac users. Also she enjoys music and palying tennis in her free time.

Gerhard Chou
Editor in chief

Gerhard Chou

In order to effectively solve the problems for our customers, every article and troubleshooting solution published on our website has been strictly tested and practiced. Our editors love researching and using computers and testing software, and are willing to help computer users with their problems