Asus X99-DELUXE U3.1 User Guide - Page 28

Expansion slots, Slot No., Slot Description

Page 28 highlights

1.2.5 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. Chapter 1 Slot No. 1 2 3 4 5 6 40-LANE PCIe 3.0/2.0 x16_1 slot PCIe 2.0 x4_1 slot PCIe 3.0/2.0 x16_2 slot PCIe 3.0/2.0 x16_3 slot PCIe 3.0/2.0 x16_4 slot PCIe 3.0/2.0 x16_5 slot Slot Description 28-LANE PCIe 3.0/2.0 x16_1 slot PCIe 2.0 x4_1 slot PCIe 3.0/2.0 x16_2 slot PCIe 2.0 x16_3 slot PCIe 3.0/2.0 x16_4 slot PCIe 2.0 x16_5 slot If you install x8 or x16 devices to the PCIe 2.0 x4_1 slot, ensure to adjust its bandwidth in BIOS. Refer to Chapter 3 for more information. 1-12 Chapter 1: Product introduction

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1-12
Chapter 1: Product introduction
Chapter 1
1.2.5
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 2.0 x4_1 slot
PCIe 2.0 x4_1 slot
3
PCIe 3.0/2.0 x16_2 slot
PCIe 3.0/2.0 x16_2 slot
4
PCIe 3.0/2.0 x16_3 slot
PCIe 2.0 x16_3 slot
5
PCIe 3.0/2.0 x16_4 slot
PCIe 3.0/2.0 x16_4 slot
6
PCIe 3.0/2.0 x16_5 slot
PCIe 2.0 x16_5 slot
If you install x8 or x16 devices to the PCIe 2.0 x4_1 slot, ensure to adjust its bandwidth in
BIOS. Refer to Chapter 3 for more information.