Yep, this is one of the strongest contenders.
S8030: $300 used from CN; good docs, lowest free slot count (2x16 dual-width) after 8xNVMe, 40/100G NIC, HBA. Unclear what the differences between the two versions
MOA and OOY are (seems like MOA is gen4 M.2 and some "pin definitions modified" on...