Which hard drives

[ed]

Absolutely, the WD Red drives have a solid reputation, and many users continue to use them in Synology NAS devices, including the DS423+. The warning you mentioned usually appears if you use drives that are not on Synology's compatibility list. You can check the compatibility list here to ensure compatibility with your DS423+. As of now, there's no indication that Synology will stop supporting these drives for existing models. So, you can confidently use WD Red drives for your NAS, and they should serve you well for your home storage needs, offering reliability and performance within your budget of €400 for a 20TB setup.

https://www.synology.com/en-us/compatibi...rand=other