Hardware Supported HDD (for Wii)

UltraDolphinRevolution

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I've always been using Western Digital disc drives for my Wii and was thinking of getting new ones.


Eternal disc drives are recommended to have their own power supply.

I remember some SD cards are too big for the Wii. Is there also a limit for HDD?
Is there anything else that should be considered? I remember there used to be a compatibility list but I'm not able to find it.
 

UltraDolphinRevolution

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Ryccardo

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The Wii (or, more correctly, "the vast majority of software for the Wii") only supports the MBR partition table, which (like the FAT32 file system) is limited to 4 terasectors*, see https://gbatemp.net/threads/32kb-clusters-gpt-to-mbr-4tb-usb-hard-drive-help.503805/#post-7975529 - this of course has to be combined with a limited but nonzero number of problematic disks

SDs have a similiar* but unrelated reasoning - older software doesn't support SDHC*, newer ones do (I had all my backups on a 128 GB card since modern CIOS, Wii usb loaders, and Nintendont all support SDHC but I wouldn't have been able to save Brawl screenshots on it for example)

* officially all 4 GB or higher cards can't be SDSC (the standard type), in practice there are some and they work (with caveats) - note how one limit is commonly said to be doesn't actually imply what it appears to imply
 

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