The Terramaster F4-425 PLUS NAS Review - The New $500+ NAS Standard?
The TerraMaster F4-425 Plus represents a significant step forward in the brand’s 4-bay NAS lineup, targeting users who demand capable hardware and broad feature support at a mid-range price point. Retailing at $569.99, or $484.99
Going by this article about the lower end F2-425 with the Intel N95, they were able to install TrueNAS on that and that came out this year as well
https://www.xda-developers.com/things-i-did-to-turn-this-nas-into-a-reliable-storage-server/