Amazon has for Prime Members: Synology DiskStation DS920+ 4-Bay NAS Enclosure on sale for $417.99. Shipping is free.
Thanks to community members cb56789, astra8309 & playdoh [discuss] for sharing this deal.
Editor's Notes & Price Research
About this deal:
Our research indicates that Synology DiskStation DS920+ 4-Bay NAS Enclosure is $22 less than the next best price from a reputable merchant with prices starting from $439.99 at the time of this posting.
About this product:
4.8 out of 5 stars based on 2,532 reviews at Amazon.