I purchased a couple of used Intel 320-series 160 GB SSDs. I attached one of the drives to my MacBook Pro running OS X 10.8 using a SATA III to USB 3.1 cable.
When I attempted to view the drive statistics, it resulted in S.M.A.R.T. Status: Not Supported.
I'm fairly certain S.M.A.R.T. Status: Not Supported is wrong. According to Intel Solid-State Drive 320 Series, S.M.A.R.T. is supported. From the document (section 5.4):
The Intel SSD 320 Series supports the SMART command set, which consists of:
- SMART READ DATA
- SMART READ ATTRIBUTE THRESHOLDS
- SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE
- SMART SAVE ATTRIBUTE VALUES
- SMART EXECUTE OFF-LINE IMMEDIATE
- SMART READ LOG SECTOR
- SMART WRITE LOG SECTOR
- SMART ENABLE OPERATIONS
- SMART DISABLE OPERATIONS
- SMART RETURN STATUS
- SMART ENABLE/DISABLE AUTOMATIC OFFLINE
How do I display the S.M.A.R.T. statistics for the SSD under OSX 10.8?