Wikipedia <http://en.wikipedia.org/wiki/Port_multiplier> says that after 3 disks you start to saturate the controller.
Mike Kazantsev wrote: > On Tue, 25 Aug 2009 02:15:54 -0700 (PDT) > Jon Hardcastle <jd_hardcas...@yahoo.com> wrote: > > >> I am looking at ways to increase the drive capacity of my machine. It has 4 >> in built sata ports, and currently 2 off the PCI port - which is only sata >> 150 - this has proved a troublesome route. I have the option of a 2 port >> sata-300 off the 1 pci-express I have but I was looking to increase slightly >> more than that. to a total of 8. >> >> I have come across Sata Port Multiplying before and saw the support was abit >> weak. I have come back to it again. >> >> i am lookin at this bad boy. >> >> [Lycom ST-158 SATA II-3Gbps 1-To-5Ports H/W RAID Host Adapter] >> http://www.scan.co.uk/Products/Lycom-ST-158-SATA-II-3Gbps-1-To-5Ports-H-W-RAID-Host-Adapter >> >> Can anyone advise if they have any experience in this area? Or indicate some >> level of success failure? (it is £50 so i dont want to buy it unless there >> is a reasonable chance of success! >> > > I believe this card should present all the disks connected to it as a > single device (disk) to the controller it's 1-sata plugged in to, so > there should be no problems with support as the whole thing is > transparent to software. > > Alas, I've only heard of such devices, but never used one and I have no > clue about the performance. > >