9.1 Basic information
The system board is equipped with seven expansion slots:
Figure 70: PCI slot overview
PCI 
slot
Type CPU Type length Function
1 PCIe Gen 3 1 x8 (mech.x8)
half length 
(HL)
only low profile (LP)
2 PCIe Gen 3 1 x8 (mech.x8) HL only LP
3** PCIe Gen 3 1 x16 (mech.x16) HL only LP, riser slot
4* PCIe Gen 3 1
x16 (mech.x16) full length (FL) full heigth (FH), with D3264
x8 (mech.x8) FL FH, with D3274