Are all Supermicro motherboards UL certified? We searched the Supermicro website and found no mention of UL. Or, are your boards designed to "pass" UL? I did a little research and boards that are designed to pass UL have 94V0, 94V2 or 94VHB marked on the board.
Yes, all Supermicro motherboards can pass UL and all motherboards PCB rated UL 94V-0