Amazon is selling a Synology Disk Station 2-Bay 20TB Network Attached Storage (DS216play) on sale for $179.99 from it's usual $260.99 price (69% savings).
This is the lowest it has been according to camel
PS. No hard-drive. Just the unit itself.
Powerful dual-core CPU, 32-bit with H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1, Maximum resolution: 4K (3840 x 2160), Maximum FPS: 30
DLNA certified for media streaming; System Memory: 1 GB DDR3, USB 3.0 accelerates transfer rates
Powered by Synology Disk Station Manager (DSM);
Synology DS216play can serve as a centralized backup target. Whether you are a
Windows or Mac user, you can back up everything on your computer directly to Synology NAS using Cloud Station Backup
4K Ultra HD video transcoding on the fly;
With built-in FTP or email clients, DS216play lets you organize and share files through an advanced web application effortlessly
Maximum Internal Raw Capacity: 20 TB (10 TB HDD x 2) (Capacity may vary by RAID types); Maximum Single Volume Size 16 TB