MSI MEG X299 CREATION - PCI_E1~5: PCIe Expansion Slots; PCIe and M2_3 slot bandwidth table

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Overview of Components
PCI_E1~5: PCIe Expansion Slots
PCI_E1: PCIe 3.0 x16 (CPU lanes)
PCI_E2: PCIe 3.0 x8 (CPU lanes)
PCI_E3: PCIe 3.0 x16 (CPU lanes)
PCI_E4: PCIe 3.0 x1 (PCH lanes)
PCI_E5: PCIe 3.0 x8 (CPU lanes)
PCIe and M2_3 slot bandwidth table
for 44-lane CPU
Graphics Card 2-Way 2-Way 2-Way* 3-Way 3-Way* 4-Way*
PCI_E1 @ 3.0 x8 @ 3.0 x16 @ 3.0 x16 @ 3.0 x8 @ 3.0 x16 @ 3.0 x8
PCI_E2 @ 3.0 x8 Empty Empty @ 3.0 x8 Empty @ 3.0 x8
PCI_E3 Empty Empty @ 3.0 x16 @ 3.0 x16 @ 3.0 x16 @ 3.0 x16
PCI_E5 Empty @ 3.0 x8 Empty Empty @ 3.0 x8 @ 3.0 x8
M2_3 3.0 x4 3.0 x4 3.0 x4 3.0 x4 3.0 x4 3.0 x4
(@: graphics card slot, *: best combination)
for 28-lane CPU
Graphics Card 2-Way 2-Way* 3-Way 3-Way 3-Way* 4-Way*
PCI_E1 @ 3.0 x8 @ 3.0 x16 @ 3.0 x8 @ 3.0 x16 @ 3.0 x8 @ 3.0 x8
PCI_E2 @ 3.0 x8 Empty @ 3.0 x8 Empty @ 3.0 x8 @ 3.0 x8
PCI_E3 Empty @ 3.0 x8 Empty @ 3.0 x8 @ 3.0 x8 @ 3.0 x8
PCI_E5 ─ ─ @ 3.0 x4 @ 3.0 x4 ─ @ 3.0 x4
M2_3 3.0 x4 3.0 x4 ─ ─ 3.0 x4 ─
(@: graphics card slot, ─: unavailable, *: best combination)
for 16-lane CPU
Graphics Card 2-Way 3-Way
PCI_E1 @ 3.0 x8 @ 3.0 x8
PCI_E2 ─ ─
PCI_E3 @ 3.0 x4 @ 3.0 x4
PCI_E5 ─ @ 3.0 x4
M2_3 3.0 x4 ─
(@: graphics card slot, ─: unavailable, *: best combination)