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4TB Hard Drive Formating

Posted on 2016-08-25
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How do I get 4TB of NTFS disk space out of my 4TB WD Red drive?
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Question by:Craig Sabo
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You need to initialize the HDDs over 2TB in size with the GPT partitioning scheme.
Here's additional info on the subject: http://support.microsoft.com/kb/2581408
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by:rindi
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If it is the 2nd disk in your System, and your OS is running from another disk, then as mentioned above make it a GPT disk you can use all of it's space.

If you want to install the OS on this disk, and that OS is m$ Windows, then that OS needs to be a 64bit version, and your PC has to be a newer PC with UEFI BIOS. You then need to install the OS in EFI mode and the disk will be initialized as a GPT disk. That way you will be able to use all the disk's space.

If your PC doesn't have a UEFI BIOS, you can only install Windows to it if it is set to an MBR disk, and you will only be able to use 2TB of it's space.

If your OS is Linux or BSD or something similar, then there is no problem if your PC has an UEFI BIOS or not. You can install those OS's to GPT disks on traditional BIOS's, and you can then use all of it's space.
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