Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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HUH721010AL42C0 / HUH721010AL4200 firmware interchangeable?

March 10th, 2026, 1:39

Hi

I would like to know if we can flash a HGST HUH721010AL42C0 (cisco-specific firmware ex: A38K) with a HGST Generic firmware AB01 to use it with other HUH721010AL4200 in same array.
if it works , the cisco type hdd HUH721010AL42C0 would have the same performance than HUH721010AL4200?

the difference between HGST HUH721010AL4200 and HUH721010AL42C0 is only in the firmware??
Please advice!

Thanks !!
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