MOBO ASUS B250 ME
19 x P104-100
Can i work under HiVE OS
With OC
Mine works very well so far with a mix of 10 nVidia cards under HiveOS.
I need more PSUs to install more cards.
I do believe ASUS recent Bios v1001 permits 19 of any type card.
As usual, YMMV.