A Chinese OEM has launched a somewhat unconventional motherboard for Chia miners. The Onda B365 D32-D4 Magic Edition is a regular B365 board with 32 SATA ports for enterprise-grade hard drives and six dedicated 6-pin connectors to power them.
https://www.notebookcheck.net/Onda-B365-D32-D4-Magic-Edition-motherboard-with-32-SATA-port-launched-for-prospective-Chia-miners.535234.0.html