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Overview of Components
PCIe bandwidth table
For Ryzen™ Desktop processors
Slot Single 2-Way
PCI_E1 (CPU) Gen 3.0 x 16* Gen 3.0 x 8*
PCI_E2 (PCH) Gen 2.0 x 1 Gen 2.0 x 1
PCI_E3 (PCH) Gen 2.0 x 1 Gen 2.0 x 1
PCI_E4 (CPU) ─ Gen 3.0 x 8*
PCI_E5 (PCH) Gen 2.0 x 1 Gen 2.0 x 1
PCI_E6 (PCH) Gen 2.0 x 4 ─ Gen 2.0 x 4 ─
M2_1 (CPU) Gen 3.0 x 4 Gen 3.0 x 4
M2_2 (PCH) ─ Gen 2.0 x 4 ─ Gen 2.0 x 4
(─: unavailable, *: graphics card)
For Ryzen™ Desktop Processors with Radeon Vega Graphics & A-Series/Athlon™
Processors
Slot Single
PCI_E1 (CPU) Gen 3.0 x 8*
PCI_E2 (PCH) Gen 2.0 x 1
PCI_E3 (PCH) Gen 2.0 x 1
PCI_E4 (CPU) ─
PCI_E5 (PCH) Gen 2.0 x 1
PCI_E6 (PCH) Gen 2.0 x 4 ─
M2_1 (CPU)
Gen 3.0 x 2**/ Gen 3.0 x 4***
M2_2 (PCH) ─ Gen 2.0 x 4
(─: unavailable, *: graphics card, **: for A-Series/Athlon™ Processors, ***: for
Ryzen™ Desktop Processors with Radeon Vega Graphics)
Important
PCI_E6 slot will be unavailable when installing PCIe M.2 SSD in M2_2 slot.