MBR vs GPT: How to choose between MBR and GPT Many computer users are curious about whether they should use MBR or GPT when initializing a disk for the first time in Windows. In fact, selecting ...

Many computer users are curious about whether they should use MBR or GPT when initializing a disk for the first time in Windows. In fact, selecting the appropriate option is essential for the ...

Many high-end games, professional software, and cloud security applications now require Secure Boot and TPM 2.0 features, which are only supported when the system disk uses the GPT partition format.

A master boot record (often shortened as MBR) is a kind of boot sector stored on a hard disk drive or other storage device that contains the necessary computer code to start the boot process.

Windows cannot be installed to this disk MBR and GPT are two formats of the hard disk. MBR is the abbreviation of master bootable record, whereas GPT is an abbreviation of GUID partition table.

The recommended method to convert these disks is to upgrade the operating system to Windows 10 first, then perform the MBR to GPT conversion. So 2k8 sounds like a no no even for an offline conversion.

You can check if a disk uses GPT or MBR partition in Windows 11/10 effortlessly, using Disk Management, Device Manager, CMD or PowerShell.

Many high-end games, professional software, and cloud security applications now require Secure Boot and TPM 2.0 features, which are only supported when the system disk uses the GPT partition format.

Turns out by default Linux (RHEL8) is still using MBR disks and so you run into the 2TB max limit. Found that there is a command "sgdisk" that will do a live conversion to GPT without any data loss.