Motherboards

Single AMD EPYC 7003/7002 Series Processor (The latest AMD EPYC 7003 Series Processor with AMD 3D V-Cache Technology requires BIOS version 2.3 or newer)
2TB Registered ECC DDR4 3200MHz SDRAM in 8 DIMMs
Expansion slots: 5 PCI-E 4.0 x16 2 PCI-E 4.0 x8 M.2 Interface: 2 PCI-E 4.0 x4 M.2 Form Factor: 2280, 22110 M.2 Key: M-key
8 SATA3, Broadcom 3008 SAS3 (12 Gbps) controller for 8 SAS3 ports, 2 M.2
2 Gigabit Ethernet LAN Ports

Supermicro (MBD-M12SWA-TF-O) Supermicro MBD-M12SWA-TF Socket sWRX8 Extended ATX...

3rd Gen Intel Xeon Scalable processors, Single Socket LGA-4189 (Socket P+) supported, CPU TDP supports Up to 270W TDP
Intel C621A
Up to 2TB RDIMM, DDR4-3200MHz. Up to 2TB LRDIMM, DDR4-3200MHz Up to 2TB Intel Optane Persistent Memory 200 Series, in 8 DIMM slots
2 PCIe 4.0 x16, 2 PCIe 4.0 x8, 1 PCIe 4.0 x8 (in x16 slot), 1 PCIe 4.0 NVMe x8 Internal Port(s)
Intel C621A controller for 10 SATA3 (6 Gbps) ports. RAID 0,1,5,10

Supermicro (MBD-X11SPA-TF-O) Supermicro MBD-X11SPA-TF-O motherboard Intel® C621 LGA 3647 (Socket P) Extended ATX...

Server Mainboard / Memory Slot 8 / DDR4 / Storage Connector 1 x M.2 / Micro ATX / Number of PCI-X x 16 Slots 3