My Book Studio II drive failed, advice needed

WD External and Portable SSD External SSD for macOS
1

I have a My Book Studio II 2TB working in RAID mirrored mode and one of the 1TB drives has failed. I am looking into buying a WD10EZRX drive as a replacement for the failed WD10EADS drive, which as far I can tell is a newer model of the same drive. I am hoping to drop it in and have the RAID rebuild automatically. Will this work with the other drive which is also a WD10EADS, or do the model number have to be identical?

Many thanks.

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2

Hello, yes, the model you mention is compatible. You can check the link below for more information on how to replace the faulty hard drive. 

How to dismantle a My Book Studio Edition II or Mirror Edition to replace a hard drive

3

Thanks. So just to clarify, I can use a WD10EADS as Disk A and a WD10EZRX as Disk B in a RAID 1 setup without issue?

4

That’s correct. 

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