2
2 x USB 3.2 Gen 1 (2x10 pin, p=2.0)
3 x RS-232 (2x5 pin, p=2.54)
2 x RS-232/422/485 (2x5 pin, p=2.54)
1 x KB/MS (1x6 pin, p=2.0)
SMBus:
1 x SMBus (1x4 pin)
I²C:
1 x I²C (1x4 pin)
Audio:
Realtek ALC662 HD Audio codec
3 x Audio jack (Line-in, Line-out, Mic-in)
1 x Analog audio (2x5 pin)
Front Panel:
1 x Front panel (2x7 pin, power LED, HDD LED, speaker,
power button, reset button)
LEN LED: 2 x LAN LED (1x2 pin)
Expansions:
2 x PCIe x8 (Slot 1 & 3; Slot 1: PCIe x16 connector; Slot 3:
open-end PCIe x8 connector supporting TB3)
3 x PCIe x4 (Slot 2 & 4 & 5; Slot 5: support TB3)
2 x PCI (Slot 6 & 7)
1 x M.2 A-key (2230, PCIe x1 & USB 2.0)
1 x M.2 M-Key (2280, PCIe x2 only, support NVMe SSD)
Digital I/O:
1 x 8-bit digital I/O (2x5 pin)
TPM: 1 x TPM (2x10 pin)
Fan Connector:
1 x CPU fan connector (1x4 pin)
2 x System fan connector (1x3 pin)
Chassis Open:
1 x Chassis intrusion (1x2 pin)
Power Supply:
ATX/AT power supply
Support AT/ATX mode
ErP/EuP Compliant