We recommend that you try the AJA kona system test to measure the speed of the drives.they should be running at 500 to 600 MPS. Please try that test and i will have tech support call you in 15 min.
Ron Amborn President
Maxx Entertainment Digital
21562 Newland Street
Huntington Beach , Ca 92646
Cell 714-713-4492 Fax 714-374-3404