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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Editing S.M.A.R.T on HC550

April 5th, 2026, 2:55

Hello everyone.
I've purchased some 16tb hc550 drives. They are OK. But maximum hdd temp is very high - 85-90 degrees. How can i edit s.m.a.r.t to change it ? Wdmarvel not reading that disks. Thx.

Re: Editing S.M.A.R.T on HC550

April 7th, 2026, 15:59

f_rostt wrote:Wdmarvel not reading that disks.
It shouldn't, because these drives aren't Western Digital. They're Hitachi drives with a Western Digital sticker, and they run on a completely different firmware, ARM CCB7 or something else. I have no experience with these drives. There are no publicly available utilities for Hitachi drives at all, not even for the ancient 80GB plat20 drives with an IDE interface. There's nothing for modern helium drives either. It was still possible to edit the SMART file on these old drives, if you had access to specialized, expensive toys like the PC3000, but I'm not sure these new drives are supported even there.

So the correct answer to this
f_rostt wrote:How can i edit s.m.a.r.t to change it ?
question is: you can't. At best, it will cost an exorbitant amount of money.
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