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It does appear that MacOS still ships with SCSI drivers and that there people actively working on updating them to DriverKit - this is an interesting thread fro
by stmw 9mo ago
It does appear that MacOS still ships with SCSI drivers and that there people actively working on updating them to DriverKit - this is an interesting thread from last month (Dec 2025)
https://developer.apple.com/forums/thread/807791 https://developer.apple.com/forums/thread/807791
This seems to be about SAS (serial SCSI) however.
- eschaton 9mo agoThe SCSI protocol driver on macOS is there mostly for USB devices speaking the enhanced storage protocol and similar use cases. That’s how a USB-SCSI adapter from 1999 actually still works on modern macOS. The PCIe SCSI card driver on macOS is for LSI32032 and related cards, and at least as of last year’s release only works on an internal PCIe slot on a Mac Pro, not in a Thunderbolt-connected slot in an external PCIe enclosure. (Apple “just” needs to implement some extra functionality to support them in external slots, but they no doubt have lots of competing work to do.)