Originally Posted By: mlord
SATA drives, such as the 3TB WD unit being discussed here, don't use SCSI CDBs. They use SATA FISs, with 48-bit sector addressing. So there is no "2TB limit" for LBA addressing. Ditto for the SATA controllers (Eg. AHCI) as well.

Ahh, right, my head is still somewhat planted in the enterprise storage world, where the CDB limit was being hit on some RAID setups a while back. It also comes into play with certain SATA devices attached to SAS controllers.