Does a 3 x 4TB SSD RAIDZ1 makes sense?

I'm building a new little NAS. I've got no big requirements in terms of space (8 TB would be fine, the more the better of course) and I've got doubts deciding which way to go. I already have a 4TB Crucial MX500 SATA SSD and the idea was to spend another €400 in drives. After investigating I've got two main options:

Buy another two 4TB SSD (€380) units to have three and configure that RAIDz1
Buy three HGST HUH721010ALE601 10TB (€390), configure them in RAIDz1 and have more storage

Does that first option make sense, or I should just go with traditional disks? The purpose of the build is to run TrueNAS/Unraid (I'd maybe give Proxmox a go) to manage photos (with Photoprism, Photostructure, or some other alternative, I plan to test a few) and run several containers with Jellyfin etc, maybe some virtual machines to play with ocassionally.

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How much of that data would mean the end of the world if it were lost?

For some of that data (perhaps Jellyfin containers, those test VMs) you may not need RAID at all.
- Personal photos and videos. I will make external backups, but I prefer to have RAID and some fault tolerance (1 drive with RAIDz1).

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