Pci_E1~5: Pcie Expansion Slots - MSI B450 TOMAHAWK MAX II Manual

PCI_E1~5: PCIe Expansion Slots

PCIe bandwidth of Multiple graphics cards
Slot
PCI_E1 (CPU)
PCI_E2 (PCH) 2.0 x1
PCI_E3 (PCH) 2.0 x1
PCI_E4 (PCH) 2.0 x2
PCI_E5 (PCH)
(─: unavailable, @: graphics card,
*: for 1st, 2nd and 3rd Gen AMD Ryzen™ processors,
**: for Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™
Graphics processors,
***: for Athlon™ with Radeon Vega Graphics processor)
⚠
Important
If you install a large and heavy graphics card, you need to use a tool such as MSI
∙
Gaming Series Graphics Card Bolster to support its weight to prevent deformation of
the slot.
For a single PCIe x16 expansion card installation with optimum performance, using
∙
the PCI_E1 slot is recommended.
When adding or removing expansion cards, always turn off the power supply and
∙
unplug the power supply power cable from the power outlet. Read the expansion
card's documentation to check for any necessary additional hardware or software
changes.
PCI_E4 will run x2 speed when installing devices in PCI_E2/ PCI_E3 slot.
∙
PCI_E1: PCIe 3.0 x16*/ x8**/ x4***
PCI_E2: PCIe 2.0 x1
PCI_E3: PCIe 2.0 x1
PCI_E4: PCIe 2.0 x4
PCI_E5: PCIe 2.0 x1
Single
@3.0 x16*
or
@3.0 x8**
or
@3.0 x4***
2.0 x1 Empty
Empty 2.0 x1
2.0 x2 2.0 x2
2.0 x1
2-Way
@3.0 x16*
or
@3.0 x8**
or
@3.0 x4***
— —
— —
2.0 x4 @2.0 x4
2.0 x1
Overview of Components
15