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2.6 Expansion Slots (PCI and PCI Express Slots)
There are 6 PCI Express slots on this motherboard.
PCIE slot:
PCIE1, PCIE2 and PCIE6 (PCIE 3.0 x8 slot, from CPU 1) is used for PCI Express x8 lane
width cards.
PCIE3, PCIE4 and PCIE5 (PCIE 3.0 x8 slot, from CPU 2) is used for PCI Express x8 lane
width cards.
Slot
Generation
Mechanical
Electrical
Source
PCIE 6
3.0
x8
x8
CPU 1
PCIE 5
3.0
x8
x8
CPU 2
PCIE 4
3.0
x8
x8
CPU 2
PCIE 3
3.0
x8
x8
CPU 2
PCIE 2
3.0
x8
x8
CPU 1
PCIE 1
3.0
x8
x8
CPU 1