If you need to connect them physically, I think you're blocked by HBA chipset support in macOS.

There is a path, but it's not what I'd call "good". Thunderbolt to Firewire to SCSI. It's a dongle Rapunzel and you're reliant on device enclosures for power.

May be better with a native PCI-e or PCI HBA and 700W power supply and a junker ATX Linux machine to provide network shares.