9.1 Basic information
The system board is equipped with ten expansion slots:
Figure 234: PCI slot overview
PCI slot Type
Mechanical
connector
Electrical
interface
Function
1 PCIe Gen 3 x8 x8
preferred slot for Modular
LAN controller (with NCSI
connector)
2 PCIe Gen 3 x8 x8
3 PCIe Gen 3 x8 x8
preferred slot for SAS RAID
controllers
4 PCIe Gen 3 x16 x8
5 PCIe Gen 2 x8 x4 available only with CPU 2
6 PCIe Gen 3 x16 x16
preferred slot for primary
GPGPU card, available only
with CPU 2
7 PCIe Gen 3 x8 x4 available only with CPU 2