[Swordmaker]

Ed, that doesn't answer my questions. The transfer rates do not make sense if that's the case. . . what kind of drives are in the LaCie drive and how is it connected??

If your LaCie is connected to your MacPro via a Thunderbolt connection, someone is doing something wrong. The thunderbolt connection is capable of four times the speed of the PCIe and SATA Speed. The specs of the LaCie itself—if it comes with the drives they intend and Thunderbolt—can't reach the 1250 MBs per second Thunderbolt-1 is capable of reaching as they claim only 768MBs per second, but that's twice the speed of the drives in the MacPro direct connect theoretical transfer rate.

Is it possible your LaCie is connected via USB 3.0??? Then I'd see why you are getting the results you tell us you're getting. Thunderbolt is even faster than Fibre channel. . . and the MacPro has Thunderbolt 2, with twice the speed at 20,000 Mbits/second.

[Sir_Ed]

I don’t know.

I’m not at the office right now, so I can’t check. I don’t think it’s USB 3, but am not 100% positive.

I’ll check it out Monday.

I do know the internal hard drives were blinding fast...updated Raptors, I think...or some such.

See ya’,

Ed