MSI X470 GAMING PRO CARBON AC Quick Start Manual page 29

PCIe bandwidth table
For Ryzen™ Desktop processors
Slot
PCI_E1 (CPU)
PCI_E2 (PCH)
PCI_E3 (CPU)
PCI_E4 (PCH)
PCI_E5 (PCH)
M2_1 (CPU)
M2_2 (PCH) 2.0 x4
(─: unavailable, *: graphics card)
For Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics
and A-series / Athlon™ X4 processors
Slot
PCI_E1 (CPU)
PCI_E2 (PCH)
PCI_E3 (CPU)
PCI_E4 (PCH)
PCI_E5 (PCH)
M2_1 (CPU)
M2_2 (PCH)
(─: unavailable, *: graphics card, **: for Athlon™ with Radeon™ Vega Graphics
and A-series/ Athlon™ X4 processors, ***: for Ryzen with Radeon Vega Graphics
processors, **** for Athlon™ with Radeon™ Vega Graphics processors)
Important
PCI_E5 slot will be unavailable when installing M.2 PCIe SSD in M2_2 slot.
Single
3.0 x16*
2.0 x1
―
2.0 x1
―
2.0 x4
3.0 x4
―
Single
3.0 x8*/ 3.0 x4****
2.0 x1
―
2.0 x1
―
3.0 x2**/ 3.0 x4***
2.0 x4
2-Way
3.0 x8*
2.0 x1
3.0 x8*
2.0 x1
―
2.0 x4
3.0 x4
―
2.0 x4
2.0 x4
―
3-Way
3.0 x8*
2.0 x1
3.0 x8*
2.0 x1
2.0 x4*
3.0 x4
―
2-Way
3.0 x8*/ 3.0 x4****
2.0 x1
―
2.0 x1
2.0 x4*
3.0 x2**/ 3.0 x4***
―
Overview of Components
17