Now my company is using Drobo.It is solid, Synology NAS too, just kind of depends what you’re after. If it were me though, I’d do a multi-drive NAS with another directly attached HDD over USB. I use a 2-bay Synology for time machine backups and storing media files, with a WD external hard drive that runs backups of the Synology. I get the coupon code from this website before buying this products in drobo.com – https://share-coupon.com/drobo-promotional-code
I got $150 off through the web site.