I am going to switch from an older MacPro to a new iMac. I have searched for some sort of enclosure that will enable me to place 3-4 drives in it so they all mount on the desktop of the iMac and connect via Thunderbolt or USB3, though there just do not seem to be many options out there. I'd like to be able to access all of these files at any time from any of the available drives, and I will be doing some video editing and photo work in Lightroom. It seems almost all options are for RAID enclosures, though this means that if it has 4 drive bays, I think that 2 are used for storage and 2 for backing up? 1. What advantages are there to getting a RAID enclosure for storing files vs. an enclosure that allows me to mount multiple drives? Is RAID faster besides being more redundant? 2. Can anyone recommend some models? Thanks!