1.2.5Expansion 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

6

PCIe 3.0/2.0 x16_6 slot

 

PCIe 3.0/2.0 x16_6 slot

7

PCIe 3.0/2.0 x16_7 slot

 

PCIe 3.0/2.0 x16_7 slot

The default setting of PCIe x16_2 slot is in Auto mode, that automatically optimizes the system bandwidth. This slot automatically runs at x2 mode with ASUS Thunderbolt EX card installed.

Chapter 1

ASUS X99-E WS

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