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Current version by: Dan ,

Text:

Presently you have no choice! Using the current gold release of High Sierra only allows you to convert SSD's.
 
I've been testing it across a SATA & PCIe SSD's. It appears the queue is shorter within a SATA connected SSD Vs a PCIe. I'm still working off of the last Beta and this week I'll be upgrading to the gold release.
 
It appears GUID/Mac OS Extended (Journaled) is the better for SATA SSD's. Until I test things under the Gold release I won't state that as fact yet!
 
The symptom I encounter is file write delays. You copy a snippet, URL, file from an App or one drive to another and it won't show up as fast as you would expect it could take a good minute to appear!
 
People who have Fusion Drive setups (have both a SSD and HDD drives installed) also can't use APFS either. Apple has stated there is more work going on on APFS which might explain things. Apple stated Fusion Drives will be supported in a future release.
 
=== Update (09/28/2017) ===
 
Yes, APFS is faster in reading & writing files over GUID/Mac OS Extended! The only problem I had with it was creating a file for some reason doesn't respond in a timely fashion.

Status:

open

Edit by: Dan ,

Text:

Presently you have no choice! Using the current gold release of High Sierra only allows you to convert SSD's.
 
I've been testing it across a SATA & PCIe SSD's. It appears the queue is shorter within a SATA connected SSD Vs a PCIe. I'm still working off of the last Beta and this week I'll be upgrading to the gold release.
 
It appears GUID/Mac OS Extended (Journaled) is the better for SATA SSD's. Until I test things under the Gold release I won't state that as fact yet!
It appears GUID/Mac OS Extended (Journaled) is the better for SATA SSD's. Until I test things under the Gold release I won't state that as fact yet!
 
The symptom I encounter is file write delays. You copy a snippet, URL, file from an App or one drive to another and it won't show up as fast as you would expect it could take a good minute to appear!
 
People who have Fusion Drive setups (have both a SSD and HDD drives installed) also can't use APFS either. Apple has stated there is more work going on on APFS which might explain things. Apple stated Fusion Drives will be supported in a future release.

Status:

open

Edit by: Dan ,

Text:

Presently you have no choice! Using the current gold release of High Sierra only allows you to convert SSD's.
 
I've been testing it across a SATA & PCIe SSD's. It appears the queue is shorter within a SATA connected SSD Vs a PCIe. I'm still working off of the last Beta and this week I'll be upgrading to the gold release.
 
It appears GUIDGUID/Mac OS Extended (Journaled) is the better for SATA SSD's. Until I test things under to Gold I won't state that as fact yet!
It appears GUIDGUID/Mac OS Extended (Journaled) is the better for SATA SSD's. Until I test things under to Gold I won't state that as fact yet!
 
The symptom I encounter is file write delays. You copy a snippet, URL, file from an App or one drive to another and it won't show up as fast as you would expect it could take a good minute to appear!
 
People who have Fusion Drive setups (have both a SSD and HDD drives installed) also can't use APFS either. Apple has stated there is more work going on on APFS which might explain things. Apple stated Fusion Drives will be supported in a future release.

Status:

open

Original post by: Dan ,

Text:

Presently you have no choice! Using the current gold release of High Sierra only allows you to convert SSD's.

I've been testing it across a SATA & PCIe SSD's. It appears the queue is shorter within a SATA connected SSD Vs a PCIe. I'm still working off of the last Beta and this week I'll be upgrading to the gold release.

It appears GUID is the better for SATA SSD's. Until I test under to Gold I won't state that as fact yet!

The symptom I encounter is file write delays. You copy a snippet, URL, file from an App or one drive to another and it won't show up as fast as you would expect it could take a good minute to appear!

People who have Fusion Drive setups (have both a SSD and HDD drives installed) also can't use APFS either. Apple has stated there is more work going on on APFS which might explain things. Apple stated Fusion Drives will be supported in a future release.

Status:

open