Sierra on an iMac Pro?

[JDLang76]

Asking since APFS and High Sierra are both garbage....

I'm considering an iMac Pro to replace my 2011 imac (mainly for 10gb networking)
Havnt had any luck with this answer. Can Sierra be installed on an iMac Pro? Or are there firmware limitations that would restrict it.

 

[ET3SW]

Negative..You will not be able to install Sierra on the iMac Pro

 

[Hater]

Sonnet do a Thunderbolt to 10GB Ethernet dongle.

 

[oVerboost]

As already mentioned, you won't be able to go backwards to Sierra.

I would wait a few weeks when Mojave is released to the public, all the reports say it works really well and a lot better than High Sierra in terms of speed and smoothness - plus you get dark mode.

 

[AnonMac50]

I may try it out for fun when I have some time, but even if I get it to run in pretty sure the graphics card won't work properly.

 

[SecuritySteve]

Asking since APFS and High Sierra are both garbage....

I'm considering an iMac Pro to replace my 2011 imac (mainly for 10gb networking)
Havnt had any luck with this answer. Can Sierra be installed on an iMac Pro? Or are there firmware limitations that would restrict it.

APFS works great for pure SSD systems. It sucks on hybrid systems and spinners. iMac Pros are pure SSD systems ... what is the problem again?

As for High Sierra being garbage, I must agree. It is absolutely unacceptable to be as buggy as it is this late in release. Heres hoping Mojave will be better....

As to why you cannot install Sierra, the iMac Pro actually has it's own fork of the OS from High Sierra. There is no fork for Sierra for the iMac Pro, and thus if you tried to install it, it would give you a no-smoking symbol on boot.

 

[Guy Clark]

Asking since APFS and High Sierra are both garbage....

I'm considering an iMac Pro to replace my 2011 imac (mainly for 10gb networking)
Havnt had any luck with this answer. Can Sierra be installed on an iMac Pro? Or are there firmware limitations that would restrict it.

The earliest release of macOS that can be installed on the iMac Pro is High Sierra however you can select HFS+ as opposed to APFS.
Personally I have had no issues with APFS on my mid 2011 iMac which I will not be replacing despite its inability to run Mojave.