Crystalmark is a useful benchmark to measure theoretical performance levels of hard drives. We are using V3.0.3.
The AS3104T shows pretty good consistency across the differing RAID arrays it supports when dealing with small bity files of everyday office use. Having said that it does fade a little when it comes to dealing with 4K writes in RAID 5 and 10.
I miss the IDLE power consumption, a state that my NAS will have most of the time