1.Dual AMD EPYC™ 7003/7002 Series Processors (The latest AMD EPYC™ 7003 Series Processor with AMD 3D V-Cache™ Technology requires BIOS version 2.3 or newer) 2.4TB Registered ECC DDR4 3200MHz SDRAM in 16 DIMMs 3.Expansion slots: 3 PCI-E 4.0 x16 slots, 3 PCI-E 4.0 x8 slots M.2 Interface: 1 PCI-E 4.0 x4 M.2 Form Factor: 2280, 22110 M.2 Key: M-key 4.10 SATA3, 2 SATADOM, 4 NVMe 5.Dual 10GBase-T LAN ports, 1 dedicated IPMI LAN Port 6.ASPEED AST2600 BMC graphics 7.2 USB 2.0 ports (rear), 4 USB 3.0 ports (2 rear, 2 headers) 8.8x 4-pin PWM Fans & Speed control