A server technician installs a new external Ultra 320 hard drive. When testing the drive by saving files to it, the technician finds the drive throughput to be less than expected. Which of the following is the MOST likely cause of this problem?

A.
mismatched SCSI-2 firmware

B.
improper ID setting

C.
mismatched server BIOS version

D.
improper controller BIOS settings

E.
improper bus termination