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The unit contains 2 6TB drives. When you access it from your computer you only see 6TB. Internally the unit takes everything you write to the 6TB and "mirrors" it to the second drive. That is the way RAID1 works. This way if either drive fails, you have a copy.
Sorry, there was a problem. Please try again later.Hi, Please know the My Cloud Home Duo is configured in RAID1 by default. To use the full capacity of 12 TB, you may change the device configuration to Full Capacity Mode(JBOD). Managing Storage on a My Cloud Home Duo: https://support-en.wd.com/app/answers/detail/a_id/16591 Need Help? Please see our “ Contact Us” page for information.
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