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) 2.2TB Registered ECC DDR4 3200MHz SDRAM in 8 DIMMs 3.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 4.8 SATA3, 2 M.2, 8 SATA3 or 2 NVMe via single SlimSAS x8 5.2 Gigabit Ethernet LAN Ports 6.ASPEED AST2500 BMC graphics 7.Up to 6 USB 3.0 ports  (4 rear + 2 via header) 8.7 PWM 4-pin Fans with tachometer status monitoring