it does have a motherboard per se, but the only thing on it is a RAID controller that sits right on the SATA bus by way of "port multipliers." you can do JBOD or RAID, but yeah it's basically just a rack and power supply for disks. some of the larger ones can be modded to fit mini-itx boards and therefore make awesomely compact server cases, but it is a lot of work. i wish ITX servers were more popular on the market. but it's probably easiest to just get a smallish microATX case.
for instance, this case is only a little larger than that RAID enclosure, but it will fit an ITX board and up to 6 disks.
http://www.newegg.com/Product/Produc...apex%20sfx
and it certainly takes up less space than an MSI wind and RAID enclosure combined. i know you want to wait for prebuilt systems and you've been researching this forever, but you do have to know-how to do it from scratch and it would save space, energy, time, and money if you tailored the machine precisely to your purpose.
for instance, this case is only a little larger than that RAID enclosure, but it will fit an ITX board and up to 6 disks.
http://www.newegg.com/Product/Produc...apex%20sfx
and it certainly takes up less space than an MSI wind and RAID enclosure combined. i know you want to wait for prebuilt systems and you've been researching this forever, but you do have to know-how to do it from scratch and it would save space, energy, time, and money if you tailored the machine precisely to your purpose.
