True Nas Scale v.24.10.1
BareMetal Asrock Industrial IMB-X1314 MicroATX
CPU: i7-13700@5.2GHz, RAM:32GB ECC, n°1 Samsung 990 Pro 1TB M.2
n°3 Intel i225-LM 2500/1000/100Mbps, n°1 Intel X520-DA2

There’s nothing special about ZFS that requires/encourages the use of ECC RAM more so than any other filesystem.
If you love your data, use ECC RAM. Additionally, use a filesystem that checksums your data, such as ZFS