I have a Windows Storage Server 2003 running on 3x 500GB SATA HDD in a RAID 5 array on a PERC 5/i card. The problem is we need more storage space, and therefore I was planning on buying 4x 1TB drives.

So I'm running into the 2TB limit for arrays on my LSI 150-6 RAID controller. It has served me well, and the comfort of RAID5 was nice to have, but a) performance is pretty bad compared to modern ...