Mac Pro 2023 PCIe SSD issues

Hi there Klaus Wagner,

If your Mac is restarting with an error message, you'll want to start by checking the software with these steps:

Check your software

If the issue is caused by software on your Mac, one of these steps might help:

* Install all available software updates.

* If your Mac suspects that a particular app caused the restart, it might ask whether you would like to move the app to the Trash. Click Move to Trash, then contact the software developer to see if a software update is available.

* Use safe mode to try to isolate the cause of the issue.

* Reinstall macOS. If the issue continues after reinstalling macOS, check your hardware.

If the issue persists, work through the suggestions below to check the hardware:

Check your hardware

Learn how to check your connected devices and other hardware.

Check peripheral devices first

If you don't have any devices attached to your Mac, skip to the next section.

1. Shut down your Mac.

2. Disconnect all peripheral devices, such as hard drives or printers. If you have a desktop Mac, make sure that only a display, keyboard, and mouse or trackpad are connected.

3. Turn on your Mac.

4. Use your Mac for the amount of time that it would usually take for an unexpected restart to occur.

5. If an unexpected restart occurs, follow the steps to check the internal RAM and third-party hardware.

6. If an unexpected restart doesn't occur, turn off the Mac and connect one peripheral device at a time until an unexpected restart occurs.

Check RAM and third-party hardware

Certain models of Mac computers have removable memory (RAM). If you recently installed memory or a hard disk (or SSD), make sure that it's compatible and installed correctly. If possible, remove it and test with the original memory or disk

You'll find all these steps in this support article: If your Mac restarted because of a problem - Apple Support

If you checked all the items we mentioned above and you're still seeing an error upon restart of your Mac, reaching out to Apple Support for further guidance is the next best step. They're best-equipped to take a closer look and help determine what to do next. This link will help you get started: Get Support

Take care.

By far the easiest way to cause poor performance, instability, and crashing is to install ANY third-party speeder-uppers, Cleaners, Optimizers, or Virus scanners. or a VPN that you installed yourself.

The idea that a third party, with no special knowledge of the inner workings of MacOS, can somehow find a simple way to protect your computer — that is not already being done by MacOS itself — suggests that the MacOS developers are somehow "holding out on you". That is absurd.

You should remove any and all (other than Apple built-in) virus scanners, speeder uppers, optimizers, cleaners, App deleters or VPN packages you installed yourself, or anything of that ilk.

Same problem, I tried the Sonnet Fusion Dual U.2 SSD PCIE card with my new 2023 Mac Pro and couldn't get it to work... I tried different SSD drives and nothing ... I wouldn't waste your time with this piece ... JH