ASRockRack make a deep MicroATX Genoa and EATX/EEB boards too, which can take up to the 128 core Bergamo EPYC, or the high-frequency "F"-SKUs : https://www.asrockrack.com/general/productdetail.asp?Model=G...
That said, with PCI-e 5.0, a little board like this has a LOT of bandwidth.