*In a nutshell: DS423+ $500 4bays for RAID5 (>1.9Gb/s data xfr speed) ; NMVeSSDs (>1.6Gb/s quick boost cache) ; & upto6/18RAM *Plus I’ll connect a 8bay HDD/SSD USB3.0 enclosure $250 to it. *Total cost w/o HDDs is just ~$600. *If I ever need super high data xfr...