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SESK: Stuff Everyone Should Know · sesk.info/aplus-gpt-uefi

Which partitioning scheme was introduced as part of the UEFI initiative?

GPT, the GUID Partition Table.

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  1. GUID Partition Table (GPT) ✔
  2. Master Boot Record (MBR)
  3. New Technology File System (NTFS)

Why: GPT is more flexible than the older MBR partitioning scheme. It was created as part of the UEFI initiative.

Huh, didn't know that: Windows limits a GPT disk to 128 partitions even though the specification allows many more.

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References

Answer: GUID Partition Table (GPT). GPT is more flexible than the older MBR partitioning scheme. It was created as part of the UEFI initiative.

  1. Windows and GPT FAQ, Microsoft Learn learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/windows-and-gpt-faq
    The GUID Partition Table (GPT) was introduced as part of the Unified Extensible Firmware Interface (UEFI) initiative.
    Checked 2026-10-10.
  2. Windows and GPT FAQ, Microsoft Learn learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/windows-and-gpt-faq
    MBR disks support only four partition table entries.
    Checked 2026-10-10.

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