Question Unmatch partition size from old SSD to cloned drive?

Nov 29, 2021
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Sorry if I worded this incorrectly but I recently got an M.2 SSD (1TB) and I cloned everything from my old SSD (120GB) to the M.2 and on file explorer it shows that the 2 drives are the same size. Then in disk management it shows the remainder 800GB~ as Unallocated and not part of the clone.
Is there a way to combine the Unallocated and the new partition on the M.2 drive?

Also worth mentioning that this is going to be my new boot drive.
 

USAFRet

Titan
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Mar 16, 2013
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I don't know about AOMEI, but doing this with Macrium Reflect, you can manipulate the size of the resulting partitions on the target drive during the clone process.

Might be worth redoing this.


The middle section here speaks to your particular situation.
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Specific steps for a successful clone operation:
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Verify the actual used space on the current drive is significantly below the size of the new SSD
Download and install Macrium Reflect (or Samsung Data Migration, if a Samsung SSD)
If you are cloning from a SATA drive to PCIe/NVMe, install the relevant driver for this new NVMe/PCIe drive.
Power off
Disconnect ALL drives except the current C and the new SSD
Power up
Run the Macrium Reflect (or Samsung Data Migration)
Select ALL the partitions on the existing C drive

If you are going from a smaller drive to a larger, by default, the target partition size will be the same as the Source. You probably don't want that
You can manipulate the size of the partitions on the target (larger)drive
Click on "Cloned Partition Properties", and you can specifiy the resulting partition size, to even include the whole thing

Click the 'Clone' button
Wait until it is done
When it finishes, power off
Disconnect ALL drives except for the new SSD
This is to allow the system to try to boot from ONLY the SSD
Swap the SATA cables around so that the new drive is connected to the same SATA port as the old drive
Power up, and verify the BIOS boot order
If good, continue the power up

It should boot from the new drive, just like the old drive.
Maybe reboot a time or two, just to make sure.

If it works, and it should, all is good.

Later, reconnect the old drive and wipe all partitions on it.
This will probably require the commandline diskpart function, and the clean command.

Ask questions if anything is unclear.
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Nov 29, 2021
4
1
15
0
Disk Management, not File Explorer.


I don't know about AOMEI, but doing this with Macrium Reflect, you can manipulate the size of the resulting partitions on the target drive during the clone process.
There is a second picture on the Imgur link, sorry about that.
I’ll probably just go ahead and start from scratch and try it out with Macrium Reflect.
I appreciate the prompt response!
 

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