This capable NAS supports up to 120TB of storage
The Synology DS1815+ VS The Synology DS2015xs
Synology DX1215 12-Bay Expansion Unit
Synology (Type D6) 3.5'/2.5' HDD Tray for for DS1513+, DS1813+, DX513V2, DS214+, DS1515+, DS1815+, DS2015xs, DS3615xs, DX1215 Black Disk Tray : : Computers
Synology's DS2015xs brings ARM to High-Performance NAS Units
Synology DS2015xs DiskStation Reviewed - SmallNetBuilder
Synology DS2015XS DiskStation Network Storage
Synology DiskStation DS2015xs (0TB) 8-Bay Desktop NAS Server Enclosure - Hunt Office Ireland
Download Center - DS2015xs
Synology DiskStation DS2015xs Review
Synology DS2015xs DiskStation Reviewed - SmallNetBuilder
A-Tech 4GB Module for Synology DiskStation DS1515+ DS1815+ DS1817 DS2015xs DS2415+ NAS Servers - DDR3/DDR3L 1600Mhz PC3L-12800 1.35v SODIMM Memory RAM (Equivalent to Synology RAM1600DDR3-4G) : : Electronics