I was contacted about that new MB and looks good.
South H12D-8D SP3 motherboard performance=Supermicro h12ssl-i support 7002-7003
SThe 12D-8D motherboard adopts ATX board type, 14 layer PCB design, equipped with 9+5-phase 60A DrMOS power supply, and has 2 sets of EPS 8Pin CPU power supply interfaces.
The specific expandability of this motherboard is as follows:
Memory:
8 x DDR4 (1DPC), up to 3200MT/s;
PCIe slot:
4 x PCIe 4.0 x 16.
Storage:
3× M.2 2280,PCIe 4.0×4;
3 x SFF-8643 4i, PCIe 4.0 x 4, both support 1/4 SATA III 6Gbps;
4× SATA III 6Gbps
Network:
2 x Intel I226-V, supporting 2.5GbE;
1 x Realtek RTL8201F, supports 100MbE, IPMI management network port, requires BMC module.
Audio:
Guanghua Chip (Shuhua) CJC6811A USB Digital Audio SoC
External I/O:
In board connectors: 1 set of USB-A 5Gbps, 1 set of USB-A 480Mbps;
Rear interface: 1 x VGA (BMC module required), 2 x USB-A 480Mbps, 4 x USB-A 5Gbps, 2 x 2.5GbE RJ45, 1 x 100MbE RJ45 IPMI network port (BMC module required), 2 x audio jacks.