Pci_E1~4: Pcie Expansion Slots; Pcie, M2_2 And M2_3 Slots Bandwidth Table - MSI Creator X299 Quick Start Manual

PCI_E1~4: PCIe Expansion Slots

PCIe, M2_2 and M2_3 slots bandwidth table

for 48-lane CPU
Graphics Card 2-Way
PCI_E1 @ 3.0 x8
PCI_E2 @ 3.0 x8
PCI_E3 Empty
PCI_E4 Empty
M2_2 3.0 x4
M2_3 3.0 x4
(@: graphics card slot, *: best combination)
for 44-lane CPU
Graphics
2-Way
Card
PCI_E1 @ 3.0 x8
PCI_E2 @ 3.0 x8
PCI_E3 Empty
PCI_E4 Empty
M2_2 3.0 x4
M2_3 3.0 x4
(@: graphics card slot, *: best combination)
⚠
Important
The PCI_E4 slot will run 3.0 x4 speed when installing M.2 PCIe device into M2_3 slot.
PCI_E1: PCIe 3.0 x16 (CPU lanes)
PCI_E2: PCIe 3.0 x8 (CPU lanes)
PCI_E3: PCIe 3.0 x16 (CPU lanes)
BAT1
PCI_E4: PCIe 3.0 x8 (CPU lanes)
2-Way 2-Way*
@ 3.0 x16 @ 3.0 x16
Empty Empty
Empty @ 3.0 x16
@ 3.0 x8 Empty
3.0 x4 3.0 x4
3.0 x4 3.0 x4
2-Way 2-Way*
@ 3.0 x16 @ 3.0 x16
Empty Empty
Empty @ 3.0 x16
@ 3.0 x8 Empty
3.0 x4 3.0 x4
Empty 3.0 x4
3-Way
@ 3.0 x8
@ 3.0 x8
@ 3.0 x16
Empty
3.0 x4
3.0 x4
3-Way 3-Way*
@ 3.0 x8 @ 3.0 x16
@ 3.0 x8 Empty
@ 3.0 x16 @ 3.0 x16
Empty @ 3.0 x8
3.0 x4 3.0 x4
3.0 x4 Empty
3-Way* 4-Way*
@ 3.0 x16 @ 3.0 x8
Empty @ 3.0 x8
@ 3.0 x16 @ 3.0 x16
@ 3.0 x8 @ 3.0 x8
3.0 x4 3.0 x4
3.0 x4 3.0 x4
4-Way 4-Way*
@ 3.0 x8 @ 3.0 x8
@ 3.0 x8 @ 3.0 x8
@ 3.0 x16 @ 3.0 x16
@ 3.0 x4 @ 3.0 x8
3.0 x4 3.0 x4
3.0 x4 Empty
Overview of Components
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