HI everyone

[datarecovery 50]

can use donor heads from 4 or 5 TB from spyglass ultra+3 with pcb 810035 with patient 4 or 5 from spyglass3 with pcb 810067

[Desert Data Recovery]

Spyglasses are normally very forgiving with head swaps. Very few are not compatable, so yes you should be able to.

On Sun, Dec 14, 2025, 5:06 AM datarecovery 50 <datarec...@gmail.com> wrote:

can use donor heads from 4 or 5 TB from spyglass ultra+3 with pcb 810035 with patient 4 or 5 from spyglass3 with pcb 810067

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[datarecovery 50]

ok friend 

[RecuperoDati299]

You have to use the same family 

that is a must, and with family I mean the rest of the model string after e.g. WD40NDZW

then obviously you must have the same physical heads available in the donor as the ones present physically in the patient, or more

Ragards

Ottieni BlueMail per cellulari

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[Desert Data Recovery]

In our experience SP families are cross compatible.

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[datarecovery 50]

yes allready swapped many heads from different sp families matched together but in this case its new pcb 810067 with 8 heads i ask if someone allready swapped and got succeed 

[Desert Data Recovery]

The PCB number is academic. 

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[Eastcoast Data Recovery]

I was just speaking to someone else the other day about this.

Recently, for a while now I've been matching the internal sticker codes on the black connector above the HSA connector.

Usually starts with 73.  So 73D, 73C, 73J, 73H etc.

Others say that they are mostly compatible with each other, but I did some testing and found that this works for me.  

I did a couple of tests with a 73D which when removed and replaced with 73J, resulted in no spin.  Putting back in another 73D worked just fine.  Donor heads were all fine back in their respective drives.  

This is for Spyglass, but I do the same now for Charger when I get one in.

Not sure what the significance is.  This is just my observation, I would be interested in hearing other opinions.

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[RecuperoDati299]

It is either matter of preamplifier manufacturer and or heads stack model

If you wanna avoid opening a sealed drive, you just swap the electronic boards

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[Tim - Desert Data Recovery]

I have always used Artem's advice. He was a Seagate HDD Software Engineer for years and is one of the most knowledgeable data recovery guys I know. If he says that most SPs are compatible with each other thats good enough for me. Here is his comments on a prevous post.

https://groups.google.com/g/datarecoverycertification/c/0q1yp4ZAiJM/m/8fH0bdnxDgAJ

 

[Eastcoast Data Recovery]

Hi Tim.

Yes,  I saw that post Artem wrote and that's what I thought for ages, he definitely knows what's what.

Might have just been me being hashy with heads or something randomly happening that made it not work for me.

Got a few Spyglasses in so I can check it again. 

Thanks

Louis

On Thu, Dec 18, 2025 at 2:33 PM 'Tim - Desert Data Recovery' via DataRecoveryCertification <datarecovery...@googlegroups.com> wrote:

I have always used Artem's advice. He was a Seagate HDD Software Engineer for years and is one of the most knowledgeable data recovery guys I know. If he says that most SPs are compatible with each other thats good enough for me. Here is his comments on a prevous post.

https://groups.google.com/g/datarecoverycertification/c/0q1yp4ZAiJM/m/8fH0bdnxDgAJ

 

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[Tim - Desert Data Recovery]

Just to clarify, I am not saying just taking any SP heads and use them. We still try to match the model and preamp codes first. But if you are stuck for a partiucular set of heads, most are interchangeable.