It is an extension of the traditional Master Boot Record (MBR) partitioning system, which is limited to four main partitions. GPT allows up to 128 partitions, which increases the storage capacity of the hard drive. In addition to increasing storage capacity, GPT also improves the performance and reliability of hard drives. MBR VS GPT, which one is better for SSD in terms of performance? On EFI systems, Windows can only be installed on GPT disks.
Error message: You must convert MBR to GPT disk.