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What is a GPT disk and how to manage GPT disk?

Updated on Dec 19, 2018 by Tracy King to Partition Master

A GPT disk uses the GUID partition table (GPT) disk partitioning system. Learn the difference between a GPT disk and a MBR disk and how to create a GPT disk drive.

What is GPT disk

GPT is the abbreviation of GUID Partition Table. The widespread MBR partitioning scheme, dating from the early 1980s, imposed limitations which affected the use of newer hardware. Intel, therefore, developed a new partition-table format in the late 1990s as part of what eventually became UEFI. The GPT as of 2010 forms a subset of the UEFI specification.

GPT scheme

GPT vs. MBR: advantages of GPT disk

Compared with MBR disk, a GPT disk can support more than 2TB volumes where MBR cannot. GPT is poised to become the standard for hard disk partitioning because of the size limitations of the MBR. It will be the mainstream standard soon.

A GPT disk can be basic or dynamic, just like an MBR disk can be basic or dynamic. GPT disks also support up to 128 partitions rather than the 4 primary partitions limited to MBR. Also, GPT keeps a backup of the partition table at the end of the disk. Furthermore, GPT disk provides greater reliability due to replication and cyclical redundancy check (CRC) protection of the partition table. It can be used as a storage volume on all x64-based platforms, including platforms running Microsoft Windows XP Professional x64 Edition. Windows Server 2003 SP1 also enables support for GPT in x86 versions of the Windows Server 2003 family.

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 Windows 10 is supported

How to manage GPT drives with EaseUS Partition Master

EaseUS Partition Master is a reliable partition software that can create, partition, resize and move, as well as convert GPT disk. The following is a tutorial shows how to create partitions on a GPT disk

If you want to create a partition on an empty USB, SD card or external hard drive, connect it to your PC in advance.

Step 1: Launch EaseUS Partition Master

On the main window, right-click on the unallocated space on your hard drive or external storage device and select "Create".

Create partition on unallocated space

Step 2: Adjust the new partition size, file system, label, etc.

Set the size, partition label, drive letter, file system, etc. for the new partition and click "OK" to continue.

Set up new partition

Step 3: Confirm to create a new partition

Click on the "Execute Operation" button and confirm to create a new partition by clicking "Apply".

Confirm and keep all changes

Refer to this video tutorial on how to create and partition GPT disk