User Guide

Chapter 2: Hardware Setup
2-18
2.8 Expansion slots
Unplugthepowercordbeforeaddingorremovingexpansioncards.Failuretodosomay
cause you physical injury and damage motherboard components.
Slot No.
Slot Description
40-LANE 28-LANE
1 PCIe3.0/2.0x16_1slot PCIe3.0/2.0x16_1slot
2 PCIe3.0/2.0x16_2slot PCIe3.0/2.0x16_2slot
3 PCIe3.0/2.0x16_3slot PCIe3.0/2.0x16_3slot
4 PCIe3.0/2.0x16_4slot PCIe3.0/2.0x16_4slot*
5 PCIe3.0/2.0x16_5slot PCIe3.0/2.0x16_5slot
*Thisslotmaynotworkifa28-LANECPUisinstalled.