Originally Posted by spudmessy
I've encounted similar "clicking" issues on my Maxtor, they are IDE thou. The source of the problem as it related to my case was due to the power supply. I had too much extra wiring going internally unused (power splitter cables), apparently (at least what I suspected was that the power was somehow drained even though not used by any hardware attached to them). Prior to removal it constantly caused hdd lockups and I've had serious hdd failures and permanent damage done to 2 of my hdd because of that. You might want to increase your power supply.
Hope this helps.