Motherboards Supermicro

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
Dual 10GBase-T LAN via Broadcom BCM57416

3rd Gen Intel Xeon Scalable processors Dual Socket LGA-4189 (Socket P+) supported, CPU TDP supports Up to 270W TDP, 3 UPI up to 11.2 GT/s
Intel C621A
Up to 4TB 3DS ECC RDIMM, DDR4-3200MHz. Up to 4TB 3DS ECC LRDIMM, DDR4-3200MHz Up to 4TB Intel Optane Persistent Memory 200 Series, DDR4-3200MHz, in 18 DIMM slotsP1-DIMMB2 and P2-DIMMB2 are reserved for Intel Optane Persistent Memory 200 Series only.
2 PCIe 4.0 x8, 4 PCIe 4.0 x16, 2 PCIe 4.0 NVMe x8 Internal Port(s) M.2 Interface: 1 PCIe 4.0 x4 M.2 Form Factor: 2280/22110 M.2 Key: M-Key
Intel C621A controller for 14 SATA3 (6 Gbps) ports. RAID 0,1,5,10