"Serially Attached SCSI is based around the same SCSI principal that makes it faster and more reliable than the IDE interface, however it’s now moved to the Serial Transfer method. In fact, the cables and interface slots are identical, which makes SAS controllers rather interesting.
Today we have the big bertha from the Promise SuperTrak family, the STEX8650 8-port SAS controller. How does it stack up against onboard Serial ATA RAID as the storage preference? Let’s have a look."