User manual

ASUS X99-A II
1-7
Chapter 1
1.1.5 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x1_1slot PCIe2.0x1_1slot
3 PCIe2.0x16_2slot PCIe2.0x16_2slot
4 PCIe3.0/2.0x16_3slot PCIe3.0/2.0x16_3slot
5 PCIe2.0x1_2slot PCIe2.0x1_2slot
6 PCIe3.0/2.0x16_4slot PCIe3.0/2.0x16_4slot