I currently have a late 2012 mac mini with 2x 4TB external USB3.0 drives. I'm looking to step up to a 5 or more drive external enclosure that supports raid. Just wondering if it'd be smarter to go thunderbolt and keep it DAS or move to a NAS setup instead? If I kept it DAS, would adding the gigabit ethernet adapter and multiplexing (is that the correct term?) the two connections help if I was serving a lot over the network? Thanks.