I have this
Upgraded to 64gb used m.2 for proxmox storage
And sata ssd for monthly backup of containers
Used
2* 1TB Silicon Power SSD (SSd to usb 3.0) in mirror with passthrough to truenas
2*4TB 3.5” surveillance drives(3.5” to usb 3.0) in mirror with passthrough to truenas
Btw I’m Selling off my 3.5” enclosures here in case your interested
This was my set-up 2 weeks ago
Moved to 2 proxmox setup recently