Dell XPS SSD Upgrade: Move OS to Larger SSD in Windows 10/8/7?

April 25, 2017

Either Dell XPS 13 or 15 is one of the best laptops, but both pre-installed with a small SSD. Then, how to upgrade Dell XPS SSD with a larger one and move OS to it in your Windows 10/8/7? Try the best OS migration software - AOMEI Partition Assistant.

Why Move OS to Larger SSD for Dell XPS?

Dell XPS series laptops, like Dell XPS 8900, XPS 8910, XPS 13, XPS 15, etc. are usually pre-installed with a 128GB or 256GB SSD, maybe you want to get more free space to install applications and games, store pictures, videos, movies, documents and other files. At this time, you can upgrade Dell XPS small SSD with a larger capacity of SSD. It's no doubt that a 500GB or more SSD is the best choice to improve the performance of a computer. Besides, moving OS to larger SSD for Dell XPS laptop will reduce the chance of corruption, shorten the boot time, and speed up the computer with a fast speed of reading and writing.

Many users have no idea on how to move OS to SSD, which can safely move all the operating system, boot files and the installed applications without reinstalling. After moving OS to SSD, you can use these data directly by setting up the first boot device with several steps. Compared with Windows reinstallation, it regards as a time saver.

Choose A Larger and Suitable SSD for Dell XPS 13/15 Laptops

The Dell XPS laptop’s SSD drive is much different from the traditional 2.5-inch SSD drive. In order to figure out which SSD you can do this replacement, you have to check your Dell XPS computer’s SSD belongs to which generation of Intel processor.

If your CPU’s model number begins with a 5 (eg: Core i5-5200U), you have Broadwell; if it begins with a 6 (eg: Core i5-6200U), you have Skylake. The two models require an M.2 type 2280 SSD drive. Consult the manufacturer of Dell XPS computer if there is anything you don’t understand how to choose a larger and suitable SSD drive for the replacement. Except for the larger SSD drive, you’ll need the best OS migration tool, M.2 SSD to USB adapter, your Dell XPS 13/15 laptop, and two screw drivers.

Dell XPS OS Migration Software

How to move OS from smaller SSD to a larger one for Dell XPS computer? Use the OS migration tool. To determine, what kind of OS migration software you need, first check what your Dell XPS OS is? If your OS is Windows operating system, AOMEI Partition Assistant Pro could be your best choice. AOMEI Partition Assistant fully supports all versions of Windows Vista, XP, 7, 8, 8.1, 10, as well as MBR/GPT disk, BIOS and UEFI boot mode. Please download AOMEI Partition Assistant Professional to have a try.

Dell XPS 13/15 Move OS to Larger SSD with AOMEI Partition Assistant

Following is the details about how to move Dell XPS OS to larger SSD.

Step 1: Connect the larger SSD drive to your laptop via M.2 SSD to USB adapter, Install and run AOMEI Partition Assistant. On the main interface, select "Migrate OS to SSD" at the left panel to enter next window, then hit "Next".

Migrate OS to SSD

Step 2: Choose the larger SSD drive as target disk to move OS. Then hit "Next".

Unallocated Space


  • The target SSD must have the unallocated space; otherwise, you can’t go on next step.

  • If the larger SSD drive has partitions on it, the program will prompt you to delete all partitions to get an unallocated space. Backup essential files before deleting in case of data loss.

  • If you would like to migrate OS from MBR disk to GPT disk, make sure your motherboard supports EFI or UEFI boot.

Step 3: Resize the new created partition on the larger SSD disk by dragging the double-arrow or setting the value in "Partition Size" box. Then press "Next".

Resize Partition

Step 4: In next interface, make sure you have noted how to boot from the larger SSD drive, and then click "Finish" to back to main window.

Boot from SSD

Step 5: Preview the result of the OS migration on the "Pending Operations". To accomplish Dell XPS move OS to larger SSD disk, cl"ck "Apply" on the toolbar to take effect.


After migration, the Dell XPS 13/15 SSD upgrade has not been finished. Please shut down your computer and swap the smaller SSD for the larger SSD drive with the two screw drivers: remove screws and the bottom cap on the back surface, carefully take the smaller SSD drive out; put the larger SSD drive into, then tighten the screws, Put on the back cover; then turn on the Dell XPS 13/15 laptop, boot from the larger SSD disk. Here, Dell XPS move OS to larger SSD successfully. If you want to transfer data partition to SSD drive, you may use "Partition Copy Wizard" to realize.