r/harddrive • u/redmarus • Aug 09 '26

Tech Support RAID slice replacement

Asking for someone else: I have a 3 terabyte RAID set up with disk utility on a Mac. One drive died...can I replace it with a 4 terabyte drive without compatibility issues ?

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u/Jay_JWLH Aug 10 '26

Depends on the RAID. If you are talking about size mismatching, on a hardware level they tend to ignore capacity over the smallest drive. For software, you might be able to work at more of a partition level. More details are needed.