Synology today introduced DiskStation DS1515+ and DS1815+, 5-bay and 8-bay NAS servers designed for small and medium-sized businesses to facilitate intensive data exchange, collaboration, and backup a... Synology Releases DiskStation DS1515+ and DS1815+ NAS
I would so love to have one of these bad boys at home. Bad thing is they are quite the pretty penny to own.
can build your own, of course it may be not as it but pretty much aproaching... i have recycled an atom mobo with old SAS pcie card like that and it is very nice with 2To.