After a little (current) reading, Western Digital is using the older command queuing from the Parallel ATA spec. While, SATA specific command queuing will appear in SATA II (Native Command Queuing).
Sooooo....companies are choosing to implement command queuing now, even though the ability has been present for a couple of years.
I thought the current SATA spec referenced Tagged Command Queuing, but I could not find it.
In either case, it is a function of the drive's electronics and not the controller. The controller *does* have to allow pass-through of the command. Any SATA controller should support pass-through.
I'll apparently need to do some more reading to find out if the Raptors use SCSI-type command queuing, or a creation of their own (but compliant with the PATA spec). But for the most part command queuing is command queuing. Beyond that, the differences are in efficiency.
Would command queuing by any other name be just as "schweet?"