26-Jul-2016, 18:41
I have a DS215j and as far as i know the USB connections on the rear are solely for adding extra expansion HDDs for more storage.
Synology DS215 NAS (2x WD RED 1Tb) > Virgin Superhub 3 > HP Pavilion X360 laptop > Phantom Reactor 600 > JRiver MC25 > JRemote > A&K AK70mkii DAP > Supra Cat8 Ethernet cable > Sony WH-1000XM4 > jar of cream v2