How is NAS different from RAID?

A RAId can exist without a NAS, a NAS can exist without a RAID, and both can also be combined. The two are physically different ideas / concepts, for different purposes, though can be used in conjunction to provide the benefits of both in one package. read more

•RAID 10 is a combination of RAID 1 and 0 and is often denoted as RAID 1+0. It combines the mirroring of RAID 1 with the striping of RAID 0. It's the RAID level that gives the best performance, but it is also costly, requiring twice as many disks as other RAID levels, for a minimum of four. read more

NAS connects via the "network" , and can be made available to many computers via the network. a "normal" raid enclosure connects via some available port or card installed on the computer, and is much more like an "internal" drive in an external box. read more