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#11
Your computer has a UEFI BIOS so you can convert from Legacy-MBR to UEFI-GPT.
As already said, Legacy-MBR performance is the same as UEFI-GPT.
- With disk manager, delete all partitions on the M.2 drive (for now leave it unallocated)
- To apply the mbr2gpt, first expand the C: partition to the right.
or
- Follow my instructions to do a UEFI-GPT clean install.