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[The] maximum disk size supported on disks using 512-byte sectors (whether real or emulated) by the MBR partitioning scheme (without using non-standard methods) is limited to 2 TB.
2 TB = 2 * 1024 * 1024 * 1024 * 1024 = 2 ^ 41 = 2 ^ 32 * 2 ^ 9 e 2 ^ 9 é 512.