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Maximum capacity of external USB-harddisk?

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Beginner
Posts: 2
Comments: 1

Hello, can I use an external USB Harddisk with a size of 4 TB for backup and for restore? My Computer is an old one, no UEFI mode is available in Bios I think. I am using Windows 10. I have read somewhere about a limit of 2 TB for old Bios modes, but I think this is only for the internal booting harddisk, not for an external, is this correct? Thanks for your help!

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Legend
Posts: 100
Comments: 21990

#1

John, the 2TB limit is for the file system architecture used on older Legacy / MBR systems and affects all connected drives, not just for booting.

See webpage: Difference between MBR and GPT - for more information.

Beginner
Posts: 2
Comments: 1

#2

Thank you Steve!!