How to Upgrade, Change and Replace Mac SSD to A Bigger SSD?

Updated by Jean on Jul 20, 2023

How to upgrade Mac SSD to a bigger one without losing data?

Question: Can you upgrade or replace a MacBook Pro SSD? How?

"Can you upgrade or replace a MacBook Pro SSD drive without losing any data? I'm thinking to change my MacBook SSD drive to a bigger one. But I'm afraid that the computer cannot boot normally again after changing the drive. 
And I don't know how to transfer the data from old SSD drive to the new bigger SSD drive. Do you know how to do it? Let me know if you have any solutions.

As it's known that all Mac computers and devices are all produced with SSD drive which speeds up macOS, making Mac users to enjoy a fast running speed while using their computers. It's a really amazing experience.

However, the Mac SSD also has a problem that the storage space is very small. And most Mac computers are all produced with only 120 or 128GB SSD. This would leave Mac users quite small available space for saving fancy programs, software, games and important data. And it's very easy to get the Mac SSD stuffed and you'll have to clean up Mac SSD and remove files regularly. Fortunately, you have a second choice now. You can choose to extend Mac storage capacity by changing and upgrading Mac SSD to a bigger SSD drive. How? You can follow below-offered steps to expand Mac storage space and upgrade Mac SSD to a bigger one now.

3 steps to change and upgrade Mac SSD to a bigger SSD

You can directly follow and apply below-offered steps to change and upgrade your Mac SSD drive to a bigger one now. No data loss issue will happen. 

Step 1. Erase and prepare new SSD ready for SSD upgrade

1. Connect new SSD drive to Mac computer > Go to Mac Application > Utilities > Disk Utility;
2. Click Repair Disk > Check whether S.M.A.R.T Status is Supported or Not Supported and whether Partition Map Scheme is Formatted or Unformatted;
3. If not, go to Erase and select new SSD as the format target in Format column > Click Erase > Click Erase again to confirm the formatting;
4. Check if the Partition Map Scheme has changed GUID Partition Table or not;
If not, go to Partition > Choose Mac OS Extended (Journaled) > Select GUID Partition Table and click OK > Click Apply to initialize new SSD to GPT disk;

Step 2. Upgrade SSD to bigger SSD with all data by cloning without losing data

In order to avoid unexpected data loss trouble while upgrading Mac SSD drive to new drive, your best choice is to clone Mac drive with powerful Mac disk clone software.
EaseUS Todo Backup for Mac supports you to effortlessly clone the whole SSD drive including Mac OS, files, and folders to new drive with simple clicks. It's fully compatible with new macOS 10.12 (Sierra) and previous OS X 10.11, 10.10, 10.9 etc systems. Just free download and follow to upgrade and clone Mac SSD drive to bigger SSD drive without losing any data now:

1. Connect new SSD to Mac computer and run EaseUS Todo Backup for Mac;
2. Select Clone from the drop-down list and select old Mac SSD as source disk at the From column and new SSD drive as the destination disk at the To column;

Upgrade Mac SSD to a new SSD

3. Set up SSD clone properties and select all data in old SSD to be cloned to new SSD;
Click the blue Start button to start upgrading and cloning Mac SSD to new SSD drive now.

Clone to upgrade Mac SSD to a bigger one

After this, you've got all old Mac SSD data cloned to new SSD drive. But don't rush to change the drive. You have one more thing to do. It is the set Mac to be boot from new SSD. How? Follow Step 3 to get this job done now.

Step 3. Change startup settings and replace old SSD with new SSD drive

1. Keep both old and new SSD drives connected to Mac computers;
2. Go to System Preference > Click on Startup Disk > Select new SSD drive as the new boot drive;
3. Replace SSD with new SSD drive: Right-click on the old SSD drive in Finder > Select Eject Only Macintosh HD;
4. Shut down Mac computer and install new SSD drive to Mac computer > Reboot Mac computer again.

After this, you've successfully changed and upgraded Mac SSD drive to a bigger new SSD without losing any data. If you are trying to change Mac drive or extend Mac storage space with a bigger drive, just follow to solve your problems now.

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