I recently came across a 600GB Seagate Cheetah 15K RPM SAS hard drive and I've found a lot of mixed info about the speeds of these drives. I'm currently only able to connect it to a SATA2 SAS controller which only supports speeds up to 3 Gb/s. I know for ordinary hard drives that's still plenty even for modern consumer drives. But supposedly these 15K RPM hard drives are supposed to be crazy fast, almost matching early SATA SSDs according to some old reports I've seen. So I'm not sure if I need to look into a faster SAS controller or if this SATA2 SAS controller will be sufficient without bottlenecking the hard drive?