The M.2 solid state drive (SSD) overview

M.2 SSD is a solid state drive, known as the Next Generation Form Factor (NGFF), which is especially designed for the small devices like Ultrabooks or Tablets. Here are some features for it.

1. Has smaller size, high-performance, lower consumption.

2. More flexible to use with many board size options.

3. Support PCIe, SATA and USB interface.

Why clone M.2 SSD to M.2 SSD drive?

Here are 3 main reasons in the following why do you want to clone M.2 SSD to another M.2 SSD.

  • Get larger capacity. Typically, the brand computers will install an M.2 SSD drive as boot disk, however, it will be filled up eventually after a long time use. So you may want to clone M.2 SSD to larger M.2 SSD drive to expand disk space.

  • Get better performance. You may find that your computer run smoothly at first, but it will get slower and slower after using a period of time. That is because your computer does not have enough space and you need a bigger M.2 SSD.

  • Replace the damaged disk. Owing to many unexpected error, such as, virus, hardware failure, your disk may be corrupted. In this situation, you need to replace the old disk.

The best free M.2 SSD cloner-AOMEI Backupper

To be honest, there are so many M.2 SSD duplicator you can find on the Internet, but it’s difficult to distinguish which is the best one. Here, I’d like to recommend you free disk cloning software AOMEI Backupper Standard, because of its advantages in the following.

Ensure secure boot after cloning M.2 SSD drive.
Support cloning all branded M.2 SSD disk, whether PCIe or SATA, such as, WD M.2 SSD, Samsung M.2 SSD, SanDisk M.2 SSD, etc.
Support all the operating system, including Windows7/8/8.1/10/XP, etc.
Improve the performance of M.2 SSD disk and its lifetime with the specified feature “SSD Alignment”.
Allows you to adjust partition size of the destination disk with “Edit Partition”. This feature is especially useful when you clone disk to larger disk, regardless of disk type.

Clone M.2 SSD dive to a larger one in Windows effortlessly

Below text, we will describe you how to clone M.2 SSD. Before you start to clone, you need do something in the following.

Free download the M.2 hard drive duplicator-AOMEI Backupper Standard.
Check if your computer has an M.2 connector. Usually, it’s a horizontal slot about an inch wide labled with “PCIe” or “SATA” or both. If there is, please prepare a M.2 SSD drive, preferably bigger.
Prepare an M.2 clone adapter if you want to clone M 2 SSD with only one slot.
Set the PCI Express X4_3 Slot Bandwidth to “M.2 Mode” and Storage Boot Option Control to UEFI in BIOS, or your computer cannot recognize the M.2 SSD as a new storage device.

Now, see below and learn the detailed steps to Clone M.2 SSD to larger M.2 SSD in Windows 7/8/10.

1. Connect the larger M.2 SSD to your computer via M.2 clone adapter and make sure it can be detected. Open the M.2 SSD cloner to its main interface after the installation. Select Clone > Disk Clone in turn.

Select Disk Clone

2. Choose the smaller M.2 SSD drive as the source disk to clone, go to Next.

Choose Smaller M2 SSD

3. Select the larger M.2 SSD as the destination disk, go Next.

Select Larger M2 SSD

4. Tick SSD Alignment to optimize the performance of M.2 SSD disk and click Start Clone if there is no problem.

Start Clone


  • To make full use of the disk space, you can upgrade to AOMEI Backupper Professional to use "Edit Partitions". It has 3 available options, including, Copy without resizing partitions, Add unused space to all partitions, Manually adjust partition size.

  • If you would like to clone all the sectors on smaller M.2 SSD, you have to check Sector by sector clone option.

  • Besides, this software also allows you to clone M.2 SSD to HDD, clone Windows 10 to NVMe SSD, clone M.2 SATA to M2 NVME, etc.

  • To clone only OS to M.2 SSD without any issues, please upgrade to AOMEI Backupper Professional.

  • Besides, AOMEI Backupper allows you to backup M.2 SSD drive to external hard drive, then restore system image to larger M.2 SSD with bootable media created by AOMEI Backupper.

How to change the M.2 SSD to boot drive after cloning?

1. Remove the mounting screw from the M.2 slot and take out the old M.2 SSD.

2. Plug the new M.2 SSD into the slot and pay attention to the notch.

Install M2 SSD

3. Secure the M.2 SSD with the mounting screw removed earlier. Then, replace the back panel.

4. Start your computer and press the specified key in the initial screen (eg: F2, ESC) to access BIOS, then make sure that the PCI Express X4_3 Slot Bandwidth is M.2 mode and Storage Boot Option Control is UEFI. After that, save the changes and exit BIOS.

M2 Mode

Now, you could boot from the cloned M.2 SSD drive and use your computer as normal.

On the end

To clone M2 SSD to another M2, you need a great M.2 SSD cloner like AOMEI Backupper. It could not only clone hard drive with secure boot, but also improve the performance of your computer. On its advanced version, you are allowed to adjust the partition size of destination disk and fix the cloned hard drive show wrong size.

However, these versions only could be used on several computers. If you want to protect unlimited PCs, you could consider using AOMEI Backupper Technician.