Rear:
1 full-height Gen5 PCIe x16 slot
1 full-height Gen3 PCIe x4 slot
1 full-height Gen4 PCIe x4 open-ended slot
1 M.2 2230 slot for WiFi and Bluetooth card
2 M.2 2230/2280 PCIe Gen4 slots for NVMe SSD
1 M.2 2280 PCIe Gen 3 for NVMe SSD
5 SATA slots for 3.5-inch HDD/ODD

Rear:
2 DisplayPort 1.4a HBR2 ports
2 USB 2.0 (480 Mbps) ports with SmartPower
1 RJ45 (1 GbE) Ethernet port
2 USB 3.2 Gen 2 (10 Gbps) ports
2 USB 3.2 Gen 2 (10 Gbps) Type-C® ports
1 Audio line-out
1 Optional Port (VGA, HDMI 2.0, DP++ 1.4a HB3, USB 3.2 Gen 2 (10 Gbps) Type-C® with DP-Alt mode)
1 RJ45 (2.5 GbE) Ethernet port (optional)