alt Hacker NewsThunderbolt external SSD, would be the only Apple-ish thing. (Formerly of course, FireWire.)
To be absolutely complete, I could mention that at least one SAS HBA PCIe card exists on the market with support for macOS 27, even. Sometimes bundled with other products...
> at least one SAS HBA PCIe card exists on the market with support for macOS 27
Really? I guess now that the Mac Pro is discontinued, products like that are on borrowed time.