I am very new to NAS system and learning new things every single minute since loosing a WD elements HDD with data.
I have ordered two Seagate EXOS 8tb HDDs to with a 2-Bay NAS
My priority is to use the system for uploading and viewing photos and videos (of course, I'll have a backup)
Following are the short listed items.
Synology DS220+ - $485
Synology DS720+ $650 (NEW) OR $550 Used with 10gb ram upgrade (bought in 7/2020)
QNAP TS-253D - $535
OR
DS420+ - $700 (its a 4 bay NAS)
Check here :) https://www.ozbargain.com.au/node/741705