The Synology DS920+, one of the Taiwanese company's higher end models, is available for only US$417.99 as an Amazon Prime Day Deal. This four bay NAS is capable of running Docker containers and can thus be used to Home Assistant and many other applications, ranging from media server such as Plex to note-taking applications such as Joplin.
Synology 4 bay NAS DiskStation DS920+
- Two built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays.
- Intel quad-core processor with AES-NI hardware encryption engine, over 225 MB/s sequential read and write throughput.
- 4 GB DDR4 memory (expandable up to 8 GB); Scalable up to 9 drives with Synology DX517
With up to 8 GB DDR4 memory, the Synology DS920+ is one of the more powerful off-the-shelf NAS around. It has a quad-core CPU with a base clock of 2.0 GHz and has a maximum internal raw capacity of 64 TB. To speeds things up, there are two slots for speedy NVMe SSDs and two Ethernet ports take care of either failover or link aggregation.